In a Long Island court, Rex Heuermann pleaded guilty to murdering seven victims and admitted an eighth, ending years of denials since his 2023 arrest.

The eighth victim has been identified as Karen Vergata, whose remains are tied to the Gilgo Beach killings and were confirmed in the plea proceeding.

The plea signals cooperation with the FBI and could involve additional admissions, with prosecutors indicating no further state prosecutions in exchange for the guilty plea.

Experts and law enforcement say the cooperative arrangement could help identify potential additional victims and deepen understanding of the offender, though the exact parameters remain undisclosed.

The case has spotlighted victim families, advancements in DNA technology, and the long investigation timeline that has reverberated through the community.

A courtroom appearance and a 2 p.m. news briefing by the DA and victims’ families followed the plea.

Family members attended the hearing, expressing grief as Heuermann appeared unemotional during questioning.

Prosecutors named the victims as Maureen Brainard-Barnes, Melissa Barthelemy, Megan Waterman, Amber Costello, Jessica Taylor, Valerie Mack, Sandra Costilla, and Karen Vergata.

The FBI has previously used similar study-authorized arrangements with serial killers to explore criminal psychology, adding context to the plea.

Coverage of developments has been led by CBS New York with ongoing updates throughout the day.

The plea chronology ties back to the 1993 disappearance of Shannan Gilbert and the 2010-2011 discovery of remains along Ocean Parkway, culminating in a prolonged public narrative.

The plea agreement reportedly includes cooperation with federal authorities and avoids further state prosecutions.