S2, E20: When the head of personnel at a software company is found raped and stabbed to death, Detectives Benson (Mariska Hargitay) and Stabler (Christopher Meloni) suspect that a fired employee may have sought a violent revenge. They focus on Jason Mayberry (guest star Chad Lowe) a former security guard at the company and son of the wealthy Grace Mayberry (guest star Margot Kidder). Jason's shy yet cunning personality and bizarre obsessions may reveal a horrifying motive for the murder.