Law & Order: Special Victims Unit: Season 6, Episode 12 - ProjectFreeTV

6 - 12: Identity

Complications ensue in the investigation of a Stone Cold Assassins gangbanger who fell off a building after the victim that he tried to rape bit him in self-defense, causing him to fall. The victim's twin sister admits to the crime, and says she was the one on the roof and was almost raped, which is seemingly impossible due to the evidence until the secrets regarding the sister's true genetic identity are revealed. They find that she was born a boy, and after a botched circumcision was raised female. Investigation reveals more regarding the doctor's ulterior motive to prove that nurture supersedes nature.