A woman's child is missing, but her multiple personalities make finding out what happened to the child more difficult. And the case is further complicated by the appearance of the woman's sister and the murder of their parents.
A young woman is abducted, and the clues to her disappearance can be found by investigating at her character in an online role-playing game. And her case may also reveal clues about an unsolved case involving another girl's disappearance.
The only witness to a mother's beating is her mentally retarded daughter who is suffering from Williams Syndrome. The husband is an early suspect, but he is protected from prosecution because of the Patriot Act.
Stabler suffers temporary blindness after an injury bringing a sexual predator who suffers from schizophrenia into custody. Benson's special interest in the case puts her at odds with ADA Novak, who has a personal agenda of her own.
Two troubled brothers are connected to murder investigation. However, detective Lake suspects that they are trying to put their lives back together, and that they are victims of a setup by a gang leader.
A 14-year-old African immigrant is murdered, and the evidence points to a neighborhood thug who intimidates murder witnesses. However, the case is complicated by the discovery that she was married to a 35-year-old polygamist.
Detectives Benson and Lake get the help of an FBI agent as they search for a serial killer who brutally attacks young women. However, there are signs that the agent may not be able to handle the mental and emotional weight of the case.
After a gay man is murdered, the prime suspect is a star professional football quarterback who turns out to his partner. The quarterback is "outed" in the media during the investigation, and he becomes a beating victim himself.
A man accused of impersonating a police officer over a telephone and telling a fast food manager to sexually assault an employee is found not guilty, and as a result becomes a vocal crusader telling other people to defy authority figures.