SEASON 5, EPISODE 509 - In 1963, a teenage girl caused a stir by dressing and behaving like a boy. She was then found dead and, ever since, has been considered a suicide victim. However, after hearing from an alleged witness, the team wonders if the girl was actually murdered. Meanwhile, everyone braces for the outcome of the Internal Affairs investigation of Valens. Michael Constantine (""My Big Fat Greek Wedding"") guest stars as Archie Randall, the victim's father. David Selby (""Tell Me You Love Me"") guest stars as Dom Barron, a former classmate of the deceased.