After finding the body of an 8-year-old beauty pageant contestant, the detectives learn the killer first played out the crime on a virtual-pornography website.
While searching for the person who sexually assaulted a young woman, the detectives are led to a man whose conception was the product of a sexual assault.
When the battered body of a 5-year-old girl is found at a construction site, the detectives begin to investigate the victim's socially withdrawn foster brother.
The NCIS team jumps into action when video surveillance footage shows an ambush on a humvee transporting Marines; Nate returns from his mystery assignment.
The NCIS team looks into the murder of a Marine with top-level security clearance after he is found dead and missing a hand in a Beverly Hills parking lot.
The detectives investigate the decapitation of animal rights activists discovered in the city park, targeting a mentally-disturbed teenager and a rapist.
ADA Cabot's determination to indict a sex offender prompts her to make a decision that could allow the suspect to go free and jeopardize several careers.
The detectives search for the enemy of a judge after he is shot during an investigation into the sexual assault and murder of his 16-year-old stepdaughter.
A heroin junkie is found at a party with no memory of her recent rape, which leads the detectives to take a horrifying look into the victim's troubled past.
The detectives have a particularly difficult time investigating the rape and impregnation of a young girl due to her being afflicted with Down Syndrome.
During their investigation into the sexual abuse and murder of a young boy in a church, Detectives Benson and Stabler discover a possible church cover-up.
When a quadruple homicide with sexual overtones is followed up by five more grisly murders, the detectives race to find the killer before the body count grows.
The investigation of a murdered 14-year-old girl puts Stabler and Benson on the trail of a prominent physician who specializes in reproduction therapy.
Detectives Benson and Stabler are restricted by doctor-patient confidentiality as they investigate the sexual assault and near-fatal beating of a psychiatrist.
Investigating the rape and murder of an undercover federal agent, the detectives are stymied by measures to protect the identities of agents in the field.
Seeking to solve the murder of a woman planning to file a paternity suit and her baby, detectives investigate the suspected father, yielding unsettling results.
The detectives investigate the decapitation of animal rights activists discovered in the city park, targeting a mentally-disturbed teenager and a rapist.
ADA Cabot's determination to indict a sex offender prompts her to make a decision that could allow the suspect to go free and jeopardize several careers.
The detectives search for the enemy of a judge after he is shot during an investigation into the sexual assault and murder of his 16-year-old stepdaughter.