S3, E19: Detectives Benson (Mariska Hargitay) and Stabler (Christopher Meloni) investigate the rape and murder of the step-daughter of a judge (guest star Keir Dullea) known for his harsh sentencing of sex-offenders. But the young woman's troubled past reveals shocking relationships both with the felons who appeared in her step-father's court and within her own family, leading the detectives to suspect those closest to their victim.