Grissom’s nemesis, serial killer Paul Millander, reappears and claims a third victim in this gripping episode. The latest slaying matches Millander’s previous killings in that it recreates his father’s murder….

Benton decides to blow the whistle on Vucelich’s unethical study methods, causing Vucelich to drop him from the study. Susan treats a street couple, one of whom has passed HIV…

Mulder and Scully investigate the death of a scientist working on advanced propulsion technology. The mentally challenged janitor Roland, who has secretly been completely the scientist’s work, is the prime…