Law & Order: Special Victims Unit - Season 5 Episode 21

When it becomes obvious that a forensics expert raped and murdered a student, the investigation focuses on a criminology professor Cragen arrested decades earlier for similar crimes, and it\’s up to Cragen and his team to discover if the professor is the perpetrator or the victim of a bitter rival, a disappearing alibi witness, a corrupt businessman, and ultimately, Cragen\’s rush to judgment.