investigate the murder scene of Hooker and Scully. They find purple blood and Lisa hands Ray a driver's license belonging to Henry "Hank" Howard that was found at the scene. Henry gets a knock on his door and Ray and Lisa enter his apartment. They give Henry his wallet back and then question him about the mugging. After they leave, Ray shows Lisa the purple smear on his hand he got from Henry and believes Henry murdered Scully. They catch Henry returning to the crime scene.