A skull mask mounted on a cross in the marsh behind Gilgo Beach, south of Long Island, New York on Wednesday, July 19, 2023. The remains of Megan Waterman, Amber Costello and Melissa Barthelemy were found on the beach in 2010.
Between December 2010 and April 2011, law enforcement found dismembered remains of at least six other victims in the area. HOW ‘UNTRACEABLE’ BURNERS PHONES HLEPED POLICE BUSTED ALLEGED GILGO BEACH SERIAL KILLER The"Gilgo 4" were murdered between June 2007 and September 2010, but it took more than a decade and regime change in the Suffolk County, New York, District Attorney's Office to make an arrest.
Suffolk County District Attorney Ray Tierney created a task force when he took office in 2022 that included law enforcement from the local level to the FBI and investigators from his office. By March 2022, the task force identified Heuermann as a suspect, mainly from evidence already collected, like his Chevy Avalanche and cell phone data.