Suspected Gilgo Beach serial killer Rex Heurmann kept a twisted Tinder account and contacted prostitutes on his burner phones more than 500 times, a new court filing claimed. The hulking Massapequa Park architect, who is on trial for allegedly killing seven woman, routinely had sleazy interactions with at least 60 sex workers and routinely searched the internet for disturbing porn that showed women “crying, bruised and impaled,” according to court documents filed by Suffolk County prosecutors