Law & Order: Special Victims Unit

Rooftop (3x4)

Air date: Oct 19, 2001

When an HIV-positive male with a record of assaulting underage girls is discovered in a sexual clincher with a young woman on a rooftop, the detectives are determined to put him back inside. After a series of rapes and murders that cannot be traced to him, though, they begin to wonder if they've been looking the wrong way.