The Long Island serial killer remained a mystery for more than a decade. See all of the films based on the crimes and investigation.

A year after initially searching for the missing 24-year-old Shannan Gilbert, authorities found her remains on Gilgo Beach. Gilbert, an escort, had called 911 on the night of her disappearance in the gated Oak Beach community in May 2010. She placed the call after she ran away from a meeting with a client who she connected with on Craiglist.

A new three-part Netflix docuseries, “Gone Girls: The Long Island Serial Killer” takes a fresh look at the chilling case, outlining how police say Heuermann was linked to the murders and what is coming next in the ongoing legal proceedings against him.