Victim's name appeared on a "gay-hunting" website just days before her murder
Police credit public for helping them catch and arrest the alleged suspect
Victim in alleged hate crime says man took out a knife after the camera stopped filming
Attack marks the third such incident where outsiders have harassed or assaulted clients or staff at community center
New York City police have released a sketch of a suspect accused of physically attacking two men while yelling anti-gay slurs during an altercation in Chelsea...
Police continue to search for assailant and are investigating the incident as a possible hate crime