The alleged “Gilgo Beach Serial Killer” has been charged again, this time with the 2007 murder of 25-year-old Maureen Brainard-Barnes. This is the fourth murder charge leveled against 59-year-old Rex Heuermann, who was charged with murder in the cases of Megan Waterman, Melissa Barthelemy and Amber Lynn Costello last year, per The New York Times. Who was Maureen Brainard-Barnes?