High Quality Content by WIKIPEDIA articles! "Zebras" is the twenty-second episode and season finale of the tenth season of the police procedural television series Law & Order: Special Victims Unit, and the show`s 224th episode overall. It originally aired on the National Broadcasting Company (NBC) in the United States on June 2, 2009. In the episode, an open-and-shut case against a mentally disturbed murderer, played by Nick Stahl, is blown when a forensics technician makes a technical error. As Elliot and Olivia investigate additional murders believed to be the work of the same killer, they uncover a plot within their own department.