48 Hours
48 Hours
May 17, 2026

DNA on a straw leads to a teen's suspected killer 40 years after she went missing | 48 Hours

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Quick Read

Decades after two teenage girls vanished from Long Island in 1984, a cold case reignites with DNA technology, exposing a wrongful conviction and identifying a new suspect in one of the murders, leaving two other cases still unsolved.
Three men spent 18 years in prison for a 1984 murder based on a coerced confession and dubious evidence.
Advanced DNA testing and genetic genealogy identified Richard Biladoo as the new suspect in Teresa Fusco's murder.
The case highlights the devastating human cost of flawed investigations and the power of modern forensics to rewrite history.

Summary

The episode reconstructs the disappearances of 15-year-old Kelly Morrisy and 16-year-old Teresa Fusco from Lindbrook, Long Island, in 1984. Initially treated as a runaway, Kelly's case gained attention after Teresa's body was found, beaten, raped, and strangled. The initial investigation led to the wrongful conviction of John Kogat, John Restivo, and Dennis Holstead based on a coerced confession and questionable evidence, despite DNA evidence from the scene pointing to an unknown male. Nearly two decades later, advanced DNA testing exonerated the three men. Forty-one years after Teresa's murder, genetic genealogy identified Richard Biladoo as the new suspect, whose DNA matched a sample from the crime scene. Biladoo has pleaded not guilty, and his trial is pending, while Kelly Morrisy's and another victim, Jackie Martella's, cases remain unsolved. The narrative highlights the devastating impact of wrongful convictions on victims' families and the accused, and the evolving role of forensic science in cold cases.
This case underscores the profound impact of evolving forensic technology, particularly DNA and genetic genealogy, in solving decades-old cold cases and rectifying wrongful convictions. It reveals systemic flaws in past investigative techniques, such as coerced confessions and potentially planted evidence, which led to 18 years of unjust imprisonment for three men. For victims' families, it illustrates the agonizing, prolonged search for justice and closure, often complicated by legal reversals and the re-writing of narratives.

Takeaways

  • Kelly Morrisy (15) and Teresa Fusco (16) disappeared from Lindbrook, Long Island, in 1984, shattering the community's sense of safety.
  • Teresa Fusco's body was found beaten, raped, and strangled, leading to the initial conviction of John Kogat, John Restivo, and Dennis Holstead.
  • John Kogat's detailed confession, later recanted, was a centerpiece of the initial prosecution, but his defense argued it was coerced after 12 hours of interrogation and 30 hours awake.
  • In 2003, nearly two decades later, advanced DNA testing excluded the three convicted men and identified an unknown male's profile, leading to their exoneration.
  • In 2025, genetic genealogy matched the unknown DNA to Richard Biladoo, who was 23 and living near Teresa at the time of her murder.
  • Biladoo has pleaded not guilty, and his defense will likely challenge the prosecution's shifting narrative and previous wrongful convictions.
  • The disappearances of Kelly Morrisy and Jackie Martella (1985) remain unsolved, though officials now view Kelly's case as a homicide.

Insights

1Initial Disappearances and Community Impact

In 1984, the disappearances of Kelly Morrisy and Teresa Fusco from Lindbrook, Long Island, profoundly disrupted the community's sense of safety, which was accustomed to children roaming freely.

Kelly Morrisy vanished on June 12th, 1984, and Teresa Fusco disappeared five months later on November 10th, 1984. Both were teenagers from the same area and knew each other, leading to a shattered sense of security in the community.

2Flawed Initial Investigation and Wrongful Convictions

John Kogat, John Restivo, and Dennis Holstead were convicted of Teresa Fusco's murder based on Kogat's coerced confession and questionable physical evidence, such as hairs allegedly found in Restivo's van. Kogat's defense later argued his confession was staged and obtained after prolonged interrogation, sleep deprivation, and false information about a polygraph test.

Kogat's videotaped confession, where he struggled with names and asked for help, was presented as key evidence. His defense attorney, Paul Castillier, stated Kogat was an 'easy target' with a 10th-grade education and substance abuse issues, interrogated for nearly 12 hours and awake for almost 30.

3DNA Exoneration and New Suspect Identification

Nearly two decades after the initial convictions, advanced DNA testing in 2003 excluded Kogat, Restivo, and Holstead, leading to their exoneration. In 2025, genetic genealogy matched the unidentified DNA from the crime scene to Richard Biladoo, who was 23 and lived near Teresa at the time of her death.

In 2003, more sophisticated DNA testing became available, excluding all three convicted men and revealing a complete profile of an unknown male. In 2024, the FBI matched this DNA to Richard Biladoo, confirmed by a discarded straw in 2025, leading to his indictment.

4Prosecution's Shifting Stance on DNA Evidence

At Kogat's 2005 retrial, prosecutors downplayed the unknown DNA, suggesting Teresa had consensual sex before her murder, a claim her best friend Lisa vehemently denied. However, in 2025, the same DA's office now relies heavily on DNA evidence to indict Biladoo, highlighting a significant shift in their approach to forensic evidence.

Prosecutors in 2005 argued the DNA was irrelevant, suggesting Teresa had a 'consensual sexual encounter' despite her best friend testifying she was not sexually active. In 2025, DA Anne Donnelly stated, 'When you have a DNA match, 100% match, we got the guy,' emphasizing the scientific evidence.

5Lingering Unsolved Cases and Family Trauma

Despite the new arrest in Teresa Fusco's case, the disappearances of Kelly Morrisy and Jackie Martella (1985), who was also raped and strangled, remain unsolved, leaving their families in prolonged emotional limbo.

Richard Biladoo is not facing charges in Kelly Morrisy's or Jackie Martella's cases, both of which remain unsolved. Kelly's family continues to hope for answers, 40 years later, while Teresa's family faces ongoing legal proceedings.

Notable Moments

Initial Dismissal of Kelly's Disappearance

Police initially refused to take a missing person's report for Kelly Morrisy because she hadn't been gone for 24 hours, viewing her as a runaway, a common practice in 1984, which delayed a proper investigation into her disappearance.

Discovery of Teresa's Body

Teresa Fusco's body was found 25 days after her disappearance, beaten, raped, and strangled, buried under leaves and pallets near the Long Island Railroad tracks, a discovery that shattered the community's sense of safety and elevated the case to a homicide investigation.

Exoneration of the 'Lindbrook Three'

In 2003, 19 years after their convictions, DNA evidence excluded John Kogat, John Restivo, and Dennis Holstead from Teresa Fusco's murder, leading to the overturning of their convictions and exposing a profound miscarriage of justice.

Judge's Rejection of Kogat's Confession

In Kogat's 2005 retrial, the judge found his videotaped confession 'not credible,' leading to a 'not guilty' verdict and the subsequent dismissal of charges against Restivo and Holstead, validating claims of coercion and highlighting flaws in interrogation techniques.

Identification of Richard Biladoo via Genetic Genealogy

In 2025, 41 years after the murder, genetic genealogy and a discarded smoothie straw provided a 100% DNA match to Richard Biladoo, leading to his indictment for Teresa Fusco's murder and offering a potential path to final closure for her family.

Quotes

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"Knowing Kelly, there is no way I believe she ran away."

Kelly's friend
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"It truly was shattering at 16 to never have lost anybody that you loved in such a horrific way. You just can't get over that."

Lisa Kaplan
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"We decided that they had to kill her and Dennis told that she had to die."

John Kogat
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"When I saw the video, I go, 'Whoa, it looks like it's legit.'"

Unnamed speaker
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"It means that the confession is false. It is not credible. And that's what the judge found. He did not believe the confession."

Paul Castillier
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"When you have a DNA match, 100% match, we got the guy."

Anne Donnelly
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"This district attorney's office, this police department in 1985 stood before a court and said, 'These three men did this.' And they had an ample amount of evidence to prove it."

William Keart
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"But the difference now is we have science behind us, which they didn't have 40 years ago. And to me, you don't beat the scientific evidence."

Anne Donnelly
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"This case is yet another reminder of the cost of a prosecutor getting it wrong."

Aaron Morardi
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"I trust in the DNA this time. I am so hopeful that there will be a conviction and we can finally put this to rest."

Lisa Johnson

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