Shocking Deadline in Gilgo Beach Serial Killer Case: DA Faces Crucial Challenge Over DNA Evidence
Suffolk DA faces key deadline in Gilgo Beach serial killer case as Rex Heuermann's defense challenges DNA evidence ahead of court appearance.

The Suffolk County District Attorney’s office is facing a critical deadline in the Gilgo Beach serial killer case, as accused murderer Rex Heuermann returns to court today. Heuermann, arrested in July 2023, has been charged with the brutal killings of seven women between 1993 and 2011. These victims, including Megan Waterman, Melissa Barthelemy, Amber Costello, Maureen Brainard-Barnes, Jessica Taylor, Sandra Costilla, and Valerie Mack, were discovered along the Long Island coastline in 2010.
The major hurdle for DA Ray Tierney’s office is a motion filed by Heuermann’s defense team, seeking to dismiss key DNA evidence collected from the victims. The defense argues that the genetic testing methods used by a California-based lab have never been presented in a New York courtroom, calling into question the reliability of the forensic evidence. DNA plays a pivotal role in the prosecution’s case, with hairs found on the victims allegedly linking Heuermann to the crimes.
The deadline for the DA to respond to this motion is today, as Heuermann’s case moves forward. His trial could hinge on the outcome of this legal challenge, which could either bolster or weaken the case against him. The court proceedings are scheduled to take place at 9:30 a.m. in Suffolk County Criminal Court, before Judge Timothy Mazzei, where the judge will decide whether the DNA evidence will be admissible at trial.
Heuermann, who has pleaded not guilty to the charges, faces a grim future if convicted, as prosecutors continue to build their case. The long-awaited trial is one step closer to unraveling the tragic mystery that has haunted Long Island for more than a decade.