In a chilling turn of events, the recent arrest of Rex Heuermann in connection with multiple Long Island, New York murders has left the nation in shock. As the nation grapples with the disturbing details of the case, Lifetime Channel is set to air a gripping true-crime movie, “The Gilgo Beach Killer,” as part of its “Ripped from the Headlines” August programming.
This emotional rollercoaster of a movie, previously titled “The Long Island Serial Killer: A Mother’s Hunt for Justice,” follows the harrowing journey of one mother’s relentless fight to find her daughter’s killer. Let’s delve into the plot and production of this heart-wrenching film.
The Plot
“The Gilgo Beach Killer” revolves around the real-life emotional journey of Mari Gilbert, portrayed by the talented Emmy(R) Award-winning actress, Kim Delaney, known for her role in “NYPD Blue.” The story begins with Shannan Gilbert’s mysterious disappearance, prompting her mother, Mari, to embark on an unwavering quest for justice. Mari’s determination leads investigators to a horrifying discovery on Long Island – the bodies of numerous women, believed to be victims of a serial killer. This shocking revelation in 2010 sets off a relentless pursuit to unmask the unknown murderer, a search that would span over a decade.
Behind the Scenes
“The Gilgo Beach Killer,” also known as “The Long Island Serial Killer: A Mother’s Hunt for Justice,” is a product of Lighthouse Pictures, with Sony Pictures Television handling distribution.

Emmy(R) Award-winning journalist Deborah Norville, who serves as the executive producer of the movie, provides fresh insights and new details on this horrifying case.
The script for this bone-chilling movie is penned by the talented John Pielmeier, known for his work on “Agnes of God” and “The Capture of the Green River Killer.”
Release Date
As “The Gilgo Beach Killer” hits the Lifetime Channel on Sunday, August 6 at 8/7c.
