A crucial error by a young technician jeopardizes a murder case, sending detectives on a desperate race against time. With the killer potentially targeting the squad, every second counts as they strive to gather more evidence and prevent further tragedy. Guest starring Noel Fisher. Season 10, Episode 22 ‘Zebras’: When a tourist is found dead in Central Park with the word “guilty” written across her forehead, Detectives Olivia Benson (Mariska Hargitay) and Elliot Stabler (Christopher Meloni) recover photos from the victim’s camera. With the help of crime scene unit technician Dale Stuckey (Guest Star Noel Fisher), they discover that former artist Peter Harrison (Guest Star Nick Stahl) was at the park during the crime. After arresting Harrison for questioning, the detectives leave Detectives John Munch (Richard Belzer) and Fin Tutuola (Ice-T) to keep Harrison under close surveillance. But when Harrison suddenly escapes, Detective Munch (Belzer) must turn to his ex-wife Gwen (Guest Star Carol Kane) for help.