Forensic Files

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

48 Hours

  • May 17, 2026
  • 1:06:09
  • Full Episode

Watch "The Killing of Theresa Fusco" and then catch up with "48 Hours" correspondents Anne-Marie Green and Erin Moriarty on "Post Mortem" as they discuss the cases of Theresa Fusco, Kelly Morrissey, and Jackie Martarella, who went missing more than 40 years ago in Long Island, New York.

00:00 The Killing of Theresa Fusco 42:18 Watch the "Post Mortem" podcast

True crime. Real justice. "48 Hours" investigates the most intriguing crime and justice cases that touch on all areas of the human experience including greed and passion. "48 Hours," which premiered in 1988, has developed a rich history of original reporting and impact journalism that has helped exonerate wrongly convicted people, caused cold cases to be reopened and solved, and along the way changed lives.

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Brief Summary

The episode covers the 1984 disappearances of Kelly Morrissey and Teresa Fusco, leading to Richard Bilodeau's arrest for Teresa's murder.

Key points

  • Teresa Fusco's Tragic Fate. Just five months after Kelly's disappearance, Teresa Fusco was found murdered. The community was shaken.
  • The Arrest of John Kogut. John Kogut confessed to Teresa's murder, but the investigation faced complications.
  • The Discovery of Teresa's Body. Teresa's body was discovered 25 days after her disappearance, leading to a community-wide search.
  • A Connection Between Cases?. The similarities between Kelly and Teresa's cases lead to speculation about a possible connection.
  • Convictions Overturned. In 2003, DNA evidence led to the overturning of convictions for three men.
  • New DNA Evidence. New DNA testing pointed to an unknown male, changing everything for Teresa's family.

Tension

75/ 100High tension

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