Gilgo Beach serial killer Rex Heuermann sentenced to life in prison

After initially pleading not guilty, Heuermann ultimately admitted to the murders of: Melissa Barthelemy, 24; Megan Waterman, 22; and Amber Costello, 27; Maureen Brainard-Barnes, 25; Jessica Taylor, 20; Valerie Mack, 24; Sandra Costilla, 28; and Karen Vergata, 34.