S4, E10: A disheveled and despondent teenage girl is about to jump in front of a moving subway when two businessmen miraculously save her. It turns out she was raped and a man who followed her into the subway station, shown on surveillance video, is the prime suspect. Jackie Landricks (Rachael Bella) is taken to a hospital and her parents are brought in. Detectives Munch (Richard Belzer) and Fin (Ice-T) bring in the suspect Karl Sirett (Billy Lush). Jackie was able to identify his penis is pierced, so Detectives Stabler (Christopher Meloni) and Benson (Mariska Hargitay) play a trick on him - they get Karl to drink a large quantity of soda, then Fin follows him into the men's room to make the identification. However, Jackie had been dating Karl, and even though he is 19, it was technically consensual. Meanwhile, the rape kit determines more than one man, based on the mixed sample of semen, attacked Jackie.