Heuermann, living just across South Oyster Bay from where the bodies of 11 victims were discovered, was detained late on Thursday in Massapequa, disclosed an unnamed law enforcement source.
Also recognized during Pride Month was Marsha P. Johnson, a black transgender activist described as a "mother figure" to drag queens, trans women, and homeless youth.
LGBT activists marched through Tompkins Square Park in the East Village of New York City over the weekend, shouting they were coming for "your children."
The multi-agency collaboration has resulted in "over 384,000 illegal immigrant apprehensions and more than 29,000 criminal arrests," including "over 28,000 felony charges reported."