GILGO Beach Serial Killer suspect Rex Heuermann is a twisted sadist, hooked on child and torture porn, who preyed on prostitutes the same age as his daughter and got more sick kicks by taunting heartbroken members of victims’ families, law enforcement sources say.
Now an extensive GLOBE investigation takes you inside the fiendish mind of the 59-year-old architect and married dad of two who is charged with murdering Melissa Barthelemy, 24, Megan Waterman, 22, and Amber Costello, 27, and is the “prime suspect” in the death of Maureen Brainard-Barnes, 25, whose bodies were dumped on New York’s Long Island.
In all, Heuermann is being probed for at least 11 slayings over a 15-year span while he hid in plain sight, conducting his design business as usual while prowling for fresh…
