Angels

S4, E6: A young boy is found smothered in the baggage compartment of an airport bus. Detectives Stabler (Christopher Meloni) and Benson (Mariska Hargitay) track down the bus' origin and via the tape in the parking lot see the young boy sneaking on the bus with an older boy. They find the older boy, Ernesto (Pablo Santos), at the airport trying to sneak on a plane. Ernesto is devastated to learn that his "brother" Jose, who he was helping to escape their abusive adopted father, is dead. Their "father" is Bret Jansen, a wealthy attorney who raped, tortured and abused them in his luxury apartment. The detectives go to Bret's apartment and find him castrated and dead, lying in a pool of blood. Bret and his two squash buddies, it turns out, were procuring young boys from Central America and using them as slaves. The detectives establish that Ernesto did not kill Bret so the investigation shifts to Bret's pals, Anthony Damon (Will Arnett), a travel agent, and Dr. Stewart Lynch (Patrick Cassidy), a plastic surgeon.