When it becomes obvious that a forensics expert raped and murdered a student, the investigation focuses on a criminology professor that Cragen arrested decades earlier for similar crimes.

When the death of a prosecutor is staged using information gleaned from a coworker's caseload, Novak endangers her career to obtain a confession.

Two children claim that they were molested by a billionaire.

After a young boy dies during a church vigil, Tutuola and Munch investigate the boy's foster parents and social worker for neglect.

When a schoolgirl's body is found in the trunk of a car, Stabler and Benson find themselves investigating allegations of bullying among her classmates.

Detectives interview an overprotective mother to find out why her son is scavenging for food.

A high school student is found murdered, and it appears she's the victim of incest.

Two garbage collectors run into what they first think is a scene of animal sacrifice.

After an Arab-American woman is set on fire, the detectives discover an intensely xenophobic man aiming to cleanse America.

The murder and sodomy of a local fraternity pledge master leads the detectives to his pornographic Web site, which features college girls at a local bar. Further investigation points back to the fraternity, whose members are not cooperating, and their code of conduct for prospective pledges.