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“Born to Kill”: 20/20 Reports on Cati Blauvelt Homicide October 8 2026

Ryan Gill

ABC’s 20/20 examines the murder of 22-year-old Catherine “Cati” Blauvelt in its October 9, 2026, episode, “Born to Kill.” The two-hour true crime programme revisits the killing of a young South Carolina woman whose body was discovered inside a concrete box in the basement of an abandoned farmhouse in October 2016. Her estranged husband, former U.S. Army recruiter John Tufton Blauvelt, became the focus of an investigation that developed into a six-year nationwide manhunt.

The case exposed a troubled marriage, allegations of domestic violence, an inappropriate relationship between an Army recruiter and a teenage girl, and a suspected revenge killing linked to the collapse of a military career. Blauvelt disappeared before authorities could arrest him, assumed a new identity in Oregon and maintained contact with the teenager who helped him escape. His capture in July 2022 led to a murder trial in September 2024, where prosecutors presented evidence of his threats, statements and actions surrounding Cati’s death.

The October 9 edition of 20/20 revisits the events leading to the murder, the investigation into Blauvelt, the evidence that helped authorities locate him and the legal proceedings that followed. The case also raises questions about the role of Hannah Thompson, who was 17 when she fled with Blauvelt and whose cooperation became central to his prosecution.

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Who Was Catherine “Cati” Blauvelt?

Catherine Boyter Blauvelt was a 22-year-old woman living in the Simpsonville area of South Carolina when she was murdered. Known to family and friends as Cati, she was remembered for her outgoing personality, love of animals and hopes of building a family. Her mother, Patricia “Patti” Piver, described her daughter as a free spirit who formed friendships with ease. Cati stood approximately five feet one inch tall and had a close relationship with her family.

Cati worked at a PetSmart store in the Greenville area at the time of her death. Her interest in animals made the position an important part of her life, and her family believed she had the potential to pursue a career involving animal care. Before joining PetSmart, she had worked at a sandwich shop near a military recruiting office, where she met the man who would become her husband.

Cati had also considered a military career. During the summer of 2015, she enlisted in the U.S. Army with encouragement from John Blauvelt, who worked as a recruiter. Her training ended after approximately two months when a spinal condition led to a medical discharge. Although her plans to serve in the military ended, her relationship with Blauvelt continued.

Her family recalled a young woman who wanted stability, marriage and children. Those ambitions became central to understanding the contrast between the future Cati imagined and the circumstances that developed during her brief marriage.

How Cati Met Army Recruiter John Blauvelt

John Tufton Blauvelt was a U.S. Army staff sergeant who worked as a recruiter in Greenville County. His position brought him into contact with young people considering military service, including students at local schools. He had served in Iraq and presented himself as an experienced soldier committed to his military career. To many teenagers in the Simpsonville area, he appeared to be an authority figure and a source of guidance.

Cati met Blauvelt in 2014 while working near his recruiting office. She was around 20 years old, while he was approximately 26. The couple began dating, and friends recalled that their relationship appeared positive during its early stages. His military background gave Cati reason to believe he could provide the dependable partnership she wanted.

After approximately a year together, the couple married at a courthouse without a large family ceremony. Cati’s mother learned about the marriage after it had taken place and was surprised by the decision. The newlyweds went on a honeymoon before returning to South Carolina, where Cati moved into Blauvelt’s four-bedroom house in Fountain Inn, near Simpsonville.

The marriage began to deteriorate within months. Rather than becoming the family home Cati had imagined, the property became a gathering place for teenagers. Blauvelt invited young people into the house, where witnesses described alcohol and drug use. The atmosphere created tension between the couple and introduced Hannah Thompson, a teenager whose relationship with Blauvelt would become a major element of the murder investigation.

The Party House and John Blauvelt’s Relationship With Hannah Thompson

Hannah Thompson was a teenager from Fountain Inn who became involved with Blauvelt while he was married to Cati. Thompson and other teenagers spent time at his house, including Aly Somerville, a friend of Cati who later became an important witness. Somerville described a property where teenagers gathered to smoke marijuana, drink alcohol and use other drugs, including cocaine and LSD.

The presence of minors and the activities taking place at the house conflicted with Blauvelt’s responsibilities as a military recruiter. Somerville told CBS’s 48 Hours that she had once viewed him as a role model. His military position and willingness to interact with teenagers had helped him develop relationships with young people in the community.

Cati objected to the gatherings and wanted them to stop. The disagreements contributed to the breakdown of the marriage, and she moved out less than three months after the wedding. Investigators said Thompson moved into Blauvelt’s bedroom after Cati left. Thompson was 17 years old during the events surrounding the murder.

Investigators described Thompson as devoted to Blauvelt and hostile toward Cati. Her relationship with an adult soldier created concerns about his influence over her decisions. The relationship became significant when Thompson helped Blauvelt with Cati’s vehicle on the day of the killing and accompanied him during his escape from South Carolina.

Domestic Violence Allegations and the Collapse of Blauvelt’s Military Career

On February 26, 2016, police responded to Blauvelt’s house after Thompson’s father reported concerns about his daughter’s whereabouts. He had not seen her for approximately two weeks. Officers arrived at the property and attempted to make contact with Blauvelt, who refused to come outside. According to witness accounts, officers had their weapons drawn during the confrontation.

Blauvelt opened the door and was questioned. On February 27, he was arrested and charged with contributing to the delinquency of a minor. The arrest attracted attention because of his position as an Army recruiter and the involvement of teenagers at his home.

During the investigation, Cati disclosed a separate incident of alleged domestic violence. She told police that Blauvelt had pointed a gun at her during an argument approximately one month earlier and threatened to kill her. Family members said he had also threatened relatives. Fountain Inn police investigated the allegations and charged him with domestic violence.

A restraining order was issued to prevent contact between the estranged couple. The allegations also had consequences for Blauvelt’s military career. The Army reduced his pay, removed him from recruiting duties and reassigned him to an administrative position while his conduct was investigated. His future in the military became uncertain.

According to witnesses, Blauvelt blamed Cati for the disciplinary action. Somerville testified that he expressed anger about losing the recruiting role and threatened to kill his estranged wife on multiple occasions. Prosecutors would use these statements to establish a motive for the murder, arguing that Blauvelt regarded Cati as responsible for the destruction of the career he valued.

Cati’s Plans for Divorce and the Threats Against Her

Following their separation, Cati returned to live with her mother and began planning to divorce Blauvelt. Her marriage had lasted only a short period, but the allegations of threats and violence created concerns for her safety. Patti Piver later recalled fearing that her daughter would come to harm.

Despite the restraining order, Cati continued to have some contact with Blauvelt. Her mother explained that one reason she returned to the house was to see her dog, Jupiter, who remained at the property. These visits meant the estranged couple had opportunities to encounter each other despite their separation.

Witnesses described Blauvelt’s anger over the consequences of Cati’s domestic violence complaint. Somerville said he spoke about killing Cati and blamed her for damaging his military career. She did not believe he would carry out the threats at the time, but those statements became important evidence when prosecutors reconstructed the events leading to the murder.

The prosecution’s theory was that Blauvelt sought revenge against his wife because he believed she had taken away his military career and threatened his future. His relationship with Thompson formed part of the circumstances surrounding the killing, but prosecutors placed considerable emphasis on his resentment toward Cati and the consequences of his own conduct.

Cati Blauvelt Disappears in October 2016

Cati’s disappearance occurred in late October 2016. According to the U.S. Marshals Service, she was last seen leaving her workplace at approximately 2:15 p.m. on October 23. She failed to meet friends after work, and her family reported her missing when they could not contact her. Some later television accounts place the discovery of her body on October 26, while the Marshals’ official chronology records October 24.

As concern grew, her mother contacted police and raised suspicions about Blauvelt. Investigators knew about the couple’s troubled relationship and the previous domestic violence allegations. The disappearance prompted a search involving family members, friends and local authorities.

Two of Cati’s friends went to an abandoned farmhouse in the Simpsonville area, a property known to local teenagers as a gathering place. Cati and Blauvelt had visited the location in the past. The friends entered the building and searched its basement, where they made a devastating discovery.

Inside a rectangular concrete box, they found Cati’s body. One of the friends called 911 and told the dispatcher that Cati appeared to be dead. The discovery transformed the missing-person investigation into a homicide case and brought detectives to a crime scene that would become central to the prosecution.

The Abandoned Farmhouse and the Murder Scene

The farmhouse where Cati’s body was discovered was a deteriorating property surrounded by woods. Its walls were covered in graffiti, including markings described as satanic. Teenagers had used the building for gatherings, leaving behind discarded bottles, cans and other rubbish. The isolation of the property made it a location where violence could occur without attracting attention from nearby residents.

Cati’s body had been placed inside a concrete box in the basement. Investigators described the confined space and the position of her remains as disturbing. The scene suggested that the killer had attempted to conceal her body within the abandoned structure.

Investigators believed Cati had been attacked on the gravel driveway outside the farmhouse. Captain Cheryl Schofield described a theory that her body had been dragged through a basement window before being placed inside the concrete box. The physical condition of the scene helped detectives reconstruct how the killing and disposal of her body might have occurred.

The medical evidence established that Cati had suffered fatal stab wounds. A knife blade had broken off and remained lodged in her neck. X-rays documented its position, and the blade became one of the most significant pieces of physical evidence presented during the murder investigation and trial.

Prosecutors argued that the manner in which Cati’s body was discarded reflected the killer’s contempt for her. The concrete box had been used to hold rubbish left by people visiting the farmhouse. The prosecution regarded the decision to place her body there as part of the brutality of the crime.

Why Investigators Suspected John Blauvelt

Detectives Keith Morecraft and Cheryl Schofield became involved in the homicide investigation and visited Blauvelt to inform him of his estranged wife’s death. Their interaction was recorded and became part of the evidence reviewed during the case.

Morecraft said Blauvelt’s reaction raised concerns. Although he displayed signs of distress, investigators noted that he did not ask the questions they expected from someone learning that his wife had been murdered. Instead of asking where Cati had been found or how she had died, he questioned whether he was being charged with a crime and expressed discomfort about being recorded.

During the conversation, Blauvelt complained about the effect Cati had supposedly had on his life. Investigators regarded his resentment as consistent with the motive they were beginning to examine. They could not arrest him on the basis of his demeanour, however, and needed evidence connecting him to the killing.

On November 2, 2016, detectives conducted another interview. Blauvelt denied killing Cati and denied knowing who was responsible. He discussed their troubled marriage and acknowledged that he had visited her at the funeral home with Thompson.

Investigators also questioned Thompson about the murder. She denied knowing what had happened, despite detectives’ suspicions that she was withholding information. Officers confronted her with an autopsy photograph and warned her about the consequences of concealing evidence. Thompson became upset but did not provide a full account of her involvement at that stage.

The Evidence Connecting Blauvelt to the Murder

Investigators collected cellphone records, forensic material and witness statements while examining Blauvelt’s movements around the time Cati disappeared. The investigation included the couple’s history of domestic violence allegations, Blauvelt’s threats and his relationship with Thompson.

A central piece of evidence was the broken knife blade found in Cati’s neck. Prosecutor Kinli Abee later displayed the blade and an X-ray showing where it had become lodged. The injury was consistent with Thompson’s later account of what Blauvelt had told her about the killing.

Thompson admitted that she drove Blauvelt to the area near Cati’s workplace on the day of the murder. She also acknowledged helping him move and conceal Cati’s car after the killing. Surveillance footage presented during the trial showed vehicle movements that prosecutors argued supported her testimony.

Another important piece of evidence emerged after Blauvelt’s arrest. U.S. Marshals recovered a journal containing writings attributed to him, including an entry with the words “I did it.” Prosecutors regarded the passage as evidence of guilt. His defence attorneys challenged that interpretation, arguing that the journal contained fictional writing, poetry, drawings and other material that could not be treated as a straightforward confession.

The prosecution did not have a DNA match connecting Blauvelt to the murder scene. The absence of that forensic link became an important argument for the defence, which questioned whether the witness testimony and circumstantial evidence established guilt beyond a reasonable doubt.

John Blauvelt Flees South Carolina With His Teenage Girlfriend

Before investigators could complete their case, Blauvelt left South Carolina with Thompson. He travelled in a red GMC Yukon and headed west, taking the investigation beyond the jurisdiction of local police. His departure also created a military issue because he stopped reporting for duty and was classified as a deserter.

On November 18, 2016, Simpsonville police obtained arrest warrants charging Blauvelt with murder and possession of a weapon during a violent crime. By then, he had travelled through several states. Authorities identified sightings and vehicle movements in Alabama, Texas, New Mexico and California as the search expanded.

Blauvelt and Thompson were seen in Las Cruces, New Mexico, on November 15, 2016. Investigators obtained surveillance images of the pair shopping and of Blauvelt using an ATM. Automated licence plate readers also recorded the movement of his vehicle, but the information did not lead to his capture.

Thompson’s parents reported her missing on November 21. Police were concerned about the safety of the teenager travelling with a man suspected of killing his wife. Investigators also faced uncertainty about Thompson’s knowledge of the crime and whether she had helped Blauvelt escape.

The couple continued toward the Pacific Northwest, where their circumstances deteriorated. Their vehicle became stuck in mud, leaving them to travel on foot. Thompson described walking long distances, struggling to obtain food and money, and experiencing homelessness during their time in Oregon.

Hannah Thompson Returns Home and Reveals a Confession

On December 12, 2016, Thompson was found safe in Eugene, Oregon. She had contacted a family friend and asked for help returning to South Carolina. She told authorities that Blauvelt had abandoned her and that she did not know where he had gone.

After returning home, Thompson underwent further questioning on December 20. Her account provided investigators with details about the killing that she said Blauvelt had disclosed while they were travelling together.

Thompson told detectives that Blauvelt admitted stabbing Cati and said the knife had broken during the attack. She described his account of Cati pleading for her life and promising not to contact police if he released her. According to Thompson, Blauvelt said he had killed Cati for her, a statement she interpreted as an attempt to make her feel responsible for his actions.

She also acknowledged helping with Cati’s vehicle and lying during her initial police interview. Thompson claimed Blauvelt had promised to protect her if she concealed information from investigators. She maintained that she had not known he intended to murder Cati when she dropped him near the PetSmart store.

Authorities did not believe Thompson was present when Cati was killed. However, her actions before and after the murder raised questions about her criminal responsibility. Investigators continued to question her over the following years, believing she might hold information capable of locating Blauvelt.

The Six-Year Manhunt for John Blauvelt

The search for Blauvelt became a major fugitive investigation involving the U.S. Marshals Service and multiple law enforcement agencies. His military background created additional challenges because investigators believed he possessed training that could help him avoid detection.

U.S. Marshal Will Cook became one of the central figures in the search. Investigators followed vehicle sightings, examined communications and pursued leads across state lines. The case also received national publicity, including coverage on In Pursuit with John Walsh in 2019.

Blauvelt remained missing as months turned into years. The investigation continued despite the absence of a confirmed location, and members of Cati’s family feared he might never be found. Morecraft retired with the homicide investigation unresolved, describing it as the one outstanding case that continued to trouble him.

During the manhunt, Blauvelt assumed the identity Ben Klein and established a life in Oregon. He formed a relationship with another woman who, according to investigators, did not know his real identity or that he was wanted for murder. He performed odd jobs and spent time caring for her pets.

The apparent stability of his new life contrasted with the circumstances of his disappearance from South Carolina. For years, he lived under an assumed name while Cati’s family waited for an arrest and prosecutors prepared for the possibility of a future trial.

How Hannah Thompson Helped Authorities Find the Fugitive

The investigation gained momentum in 2022 when a specialised U.S. Marshals cold-case team joined the search. The team worked with Simpsonville police, South Carolina law enforcement agencies and the Army Criminal Investigation Division to revisit evidence and develop new leads.

In June 2022, Thompson disclosed that she had remained in contact with Blauvelt after returning to South Carolina. She admitted that their communication had continued for years, contradicting earlier statements that she did not know where he was or how to contact him.

Thompson told investigators that they had used Facebook Messenger and Snapchat to communicate. She said their conversations had continued until 2019 and that Blauvelt had mentioned living with another woman. The information helped investigators focus their search on the Medford area of Oregon.

The Marshals identified a woman believed to be connected to Blauvelt and developed a phone number associated with their communications. Investigators in Oregon traced the lead to a residence in Medford and began surveillance.

Authorities also used information about Blauvelt’s distinctive tattoos, including a pirate tattoo, to help identify the man they were watching. The combination of Thompson’s disclosures, investigative work and physical identification evidence brought the six-year search close to its conclusion.

The July 2022 Arrest in Medford, Oregon

On July 20, 2022, U.S. Marshals and local law enforcement officers moved to arrest Blauvelt at a residence in Medford. Officers watched the property and identified a man who appeared to match the fugitive’s description. When he emerged from the house without a shirt, investigators were able to observe tattoos consistent with those documented during the South Carolina investigation.

Officers approached and ordered the man to the ground. He complied and was taken into custody without a struggle. During the arrest, he insisted that his name was Ben Klein and denied being John Blauvelt.

Investigators used a mobile fingerprint identification device to establish his identity. The results confirmed that the man was John Tufton Blauvelt, the fugitive wanted in connection with Cati’s murder. His attempt to maintain the false identity had failed.

Officers discovered a handgun on a nightstand inside the residence. Investigators later expressed concern that the arrest could have developed into an armed confrontation if Blauvelt had reached the weapon.

The woman with whom he had been living was shocked when officers explained his identity and the murder allegation. She told investigators that she had been in a relationship with him for years and had not known about his past. Blauvelt was held in Oregon before being returned to South Carolina to face prosecution.

Hannah Thompson Is Arrested Over Her Role in the Cover-Up

Following Blauvelt’s capture, investigators turned their attention to Thompson’s conduct during the original investigation and the years that followed. On October 12, 2022, she was arrested and charged with five felony offences, including obstruction of justice, misprision of a felony and accessory after the fact.

Arrest warrants alleged that Thompson had concealed information about her activities on the day Cati was murdered. She had driven Blauvelt to Woodruff Road near Cati’s workplace and later followed him while he drove Cati’s car to a parking lot on White Horse Road.

The warrants also alleged that Thompson withheld information about Blauvelt’s whereabouts and falsely claimed he had disappeared one morning while they were travelling. Investigators learned that she had maintained contact with him for years after returning home.

Thompson pleaded not guilty to the original charges and was released on bail. Her pending prosecution created a significant issue for the murder trial because she was expected to testify against Blauvelt while facing criminal charges connected to the same events.

Prosecutors maintained that Thompson had not been offered a cooperation agreement or a promise of reduced charges in exchange for her testimony. Her credibility, her history of false statements and her relationship with Blauvelt would become central issues when the case reached a jury.

John Blauvelt Goes on Trial for Murder in September 2024

John Blauvelt’s murder trial began in September 2024, almost eight years after Cati’s death. Prosecutors Kinli Abee and John Meadors presented a case based on the couple’s troubled relationship, Blauvelt’s threats, the physical evidence and testimony from people who knew the defendant.

The prosecution argued that Blauvelt killed Cati because he blamed her for the disciplinary consequences that damaged his military career. Witnesses described his anger after losing his recruiting duties and testified about statements in which he threatened to kill her.

The jury heard evidence about the domestic violence allegations, the restraining order and Blauvelt’s relationship with Thompson. Prosecutors also presented details of his escape from South Carolina and the false identity he used while living in Oregon.

Cati’s mother testified about her daughter’s life and the effect of the murder on her family. Her testimony gave jurors a picture of Cati beyond the crime scene and forensic evidence, describing a young woman whose future had been taken from her.

The defence, represented by attorneys Paul Neely and Ana Walker, challenged the prosecution’s interpretation of the evidence. Their strategy focused on the absence of DNA evidence connecting Blauvelt to the murder scene, the reliability of Thompson’s statements and the meaning of the journal recovered after his arrest.

Hannah Thompson’s Testimony Becomes Central to the Prosecution

Thompson was one of the prosecution’s most important witnesses. She acknowledged that she had loved Blauvelt and helped him with Cati’s vehicle after the murder. She testified that she did not know Cati had been killed when she assisted him.

Her testimony described Blauvelt’s alleged confession during their escape. Thompson told the jury that he admitted stabbing Cati in the neck, disposing of her phone in water at the abandoned farmhouse and covering blood with dirt. The details were significant because they corresponded with aspects of the crime scene and medical evidence.

Prosecutors also introduced surveillance footage showing vehicle movements that Thompson identified. She confirmed that she had been driving Blauvelt’s Prius while he was operating Cati’s car. The footage helped establish the movements surrounding the concealment of the victim’s vehicle.

During cross-examination, defence attorney Ana Walker confronted Thompson about her history of lying to police, friends and family. Thompson admitted that she had made false statements and continued concealing information over several years.

The defence argued that these inconsistencies undermined her credibility. Prosecutors countered that Thompson had testified despite facing substantial criminal exposure and without an agreement guaranteeing favourable treatment. They asked jurors to consider her account alongside the physical evidence and other witness testimony.

The Journal, Broken Knife Blade and Defence Arguments

The broken knife blade was among the most disturbing exhibits presented during the trial. Prosecutors showed jurors how the blade had lodged in Cati’s neck and compared the physical evidence with Thompson’s description of Blauvelt’s alleged confession.

The prosecution also presented Blauvelt’s journal, recovered during the investigation in Oregon. One entry contained the words “I did it,” which investigators interpreted as an admission of responsibility. Prosecutors considered the writing part of the evidence linking him to the murder.

The defence disputed the significance of the journal. Attorneys argued that its contents included fiction, poetry and drawings, making it inappropriate to treat an isolated passage as a confession without considering the surrounding material.

Defence lawyers also emphasised the absence of DNA evidence tying Blauvelt to the murder scene. They challenged the prosecution’s reliance on Thompson, whose statements had changed over time and whose own criminal charges gave her a personal interest in the outcome.

The prosecution responded by presenting the evidence as a connected account of motive, opportunity, conduct and confession. Jurors were asked to assess whether the threats against Cati, the movements of her vehicle, Thompson’s testimony, Blauvelt’s flight and the journal established his responsibility for the killing.

The Guilty Verdict and Life Sentence

The trial lasted four days, and jurors deliberated for approximately five hours before returning their verdict. In September 2024, the jury found John Tufton Blauvelt guilty of murdering Catherine “Cati” Blauvelt.

The verdict brought an end to the criminal trial that Cati’s family had waited years to see. Her mother became emotional when the decision was announced, having spent almost eight years following the investigation and waiting for Blauvelt to face a jury.

Blauvelt was sentenced to life imprisonment without the possibility of parole. The sentence meant he would remain in prison for the rest of his life unless the conviction or sentence was altered through the legal process.

The conviction established Blauvelt’s criminal responsibility for Cati’s murder. He appealed the verdict, according to reporting published in February 2026. The supplied reporting does not establish that the appeal has been resolved as of October 2026.

For Cati’s family, the verdict represented a major milestone, but it could not reverse the loss they had experienced. Her mother and stepsister spoke about the lasting effect of the murder and the difficulty of hearing the evidence presented during the proceedings.

Hannah Thompson’s 2025 Guilty Plea and Sentence

Thompson’s criminal case continued after Blauvelt’s conviction. On August 20, 2025, she pleaded guilty to one count of obstruction of justice and one count of misprision of a felony, an offence involving the concealment of a serious crime.

The plea resolved her case without a prison sentence. Thompson received three years of probation, a result that reflected a substantial difference between the possible penalties associated with her original charges and the punishment imposed after her guilty plea.

Her role in the case remained controversial. Investigators had credited her testimony and information with helping secure Blauvelt’s conviction and locate him in Oregon. At the same time, evidence established that she had concealed important information, assisted with Cati’s vehicle and maintained contact with Blauvelt while he was a fugitive.

Cati’s mother, Patricia Piver, criticised the sentence. Speaking to FOX Carolina after the hearing, she said she had requested a harsher punishment and believed the outcome failed to reflect the harm caused by Thompson’s actions. She described the probation sentence as a painful result for the family.

The legal outcome distinguished Thompson’s conduct from Blauvelt’s responsibility for the murder. Authorities did not believe she was present during the fatal attack, and she was not convicted of killing Cati. Her guilty pleas addressed her actions in obstructing the investigation and concealing information about the crime.

How the Murder Affected Cati Blauvelt’s Family

The murder left Cati’s family confronting years of uncertainty while Blauvelt remained missing. Her mother had warned investigators about the troubled marriage and feared for her daughter’s safety before the killing. Those concerns became part of the family’s account of the events that preceded her death.

During the manhunt, relatives followed developments and waited for news that Blauvelt had been located. The passage of time created fears that he might escape prosecution. His arrest in 2022 brought relief, but the family still faced the prospect of a trial involving testimony about Cati’s final moments.

At the 2024 proceedings, family members heard evidence about the violence inflicted on Cati and the steps taken to conceal her body. They also learned more about Thompson’s continuing contact with Blauvelt, which caused additional distress because she had withheld information while the search remained active.

Piver has spoken about remembering her daughter as a person rather than allowing the circumstances of her death to define her. She described Cati as a source of happiness to those around her and said the family would continue to preserve her memory.

The conclusion of Thompson’s case in 2025 brought another difficult chapter. Although Blauvelt had received a life sentence, Piver believed Thompson’s punishment was inadequate. Her reaction demonstrated that the resolution of the criminal proceedings did not bring an end to the family’s grief.

What the Cati Blauvelt Case Revealed

The murder investigation exposed a pattern of threats and alleged domestic violence that preceded Cati’s death. Her separation from Blauvelt, his resentment over military discipline and the restraining order were central to the prosecution’s explanation of why the killing occurred.

The case also examined the relationship between an adult military recruiter and a teenage girl. Thompson’s involvement raised questions about manipulation, dependency and personal responsibility. Investigators believed Blauvelt exercised considerable influence over her, while her eventual guilty pleas established that she had committed offences connected to concealing the crime.

The six-year search demonstrated the importance of cooperation between local detectives, federal fugitive investigators and military authorities. The U.S. Marshals Service coordinated information across jurisdictions, revisited older evidence and used leads involving Blauvelt’s personal relationships to locate him.

The prosecution also illustrated how a murder conviction can rest on multiple forms of evidence without a DNA match linking the defendant to the scene. Witness testimony, statements attributed to Blauvelt, vehicle footage, evidence of motive and his conduct after the killing formed the foundation of the case presented to jurors.

The result was a life sentence for Blauvelt and a probation sentence for Thompson. The proceedings provided legal accountability for the crimes established in court while leaving Cati’s family to live with the consequences of her death.

Watch 20/20 Born to Kill on ABC on October 9, 2026

ABC’s 20/20 episode “Born to Kill” airs on Friday, October 9, 2026, at 9 p.m. ET/8 p.m. CT. The programme revisits the 2016 murder of Catherine “Cati” Blauvelt and the investigation that led from an abandoned farmhouse in South Carolina to the capture of her estranged husband in Oregon.

The episode examines the breakdown of Cati’s marriage, the allegations against John Blauvelt, his relationship with Hannah Thompson, the evidence gathered by investigators and the six-year manhunt. It also covers the criminal proceedings that resulted in Blauvelt’s murder conviction and life sentence, alongside the legal consequences faced by Thompson.

Viewers in the United States can watch 20/20 on ABC through participating television providers and live television services carrying the network. Episodes are also made available through Hulu, with streaming availability subject to the service’s release schedule.

The October 9 broadcast returns attention to Cati’s life and the events that led to her death. Ten years after the murder, the case remains a record of domestic violence, a prolonged search for a fugitive and the efforts of investigators and family members to bring a convicted killer to justice.

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