Matt Burns

The BAU searches for an UnSub who may be fascinated with medical experimentation.

Eli Gold works on getting Peter's charges dropped, and Alicia defends Colin Sweeney, a client and accused wife killer, who claims self defense after she finds him handcuffed to a dead woman.

An underage escort is found dead at a wild bachelor party, and Captain Cragen (Dann Florek) cautions his team to investigate with discretion, as there were several high-profile people at the scene. In their efforts to question a well-known leader in the New York escort world (guest star Peter Jacobson), Benson (Mariska Hargitay) and Amaro (Danny Pino) encounter former SVU detective Brian Cassidy (Dean Winters), who’s been working undercover. With his help, the detectives dig deeper into a vicious power struggle between the two top escort businesses, but before the case is cracked, a shocking event threatens to destroy the life of one SVU squad member. Also starring Ice-T (Detective Odafin Tutuola) and Kelli Giddish (Detective Amanda Rollins).

When a powerful member of the Iranian parliament kidnaps Arastoo to have him aid in a murder case, Booth and Cam head to Iran, and the rest of the Jeffersonian team must race against the clock to help expose the killer. Meanwhile, Brennan learns the truth about Booth’s growing gambling habit, and she turns to Aubrey for help to keep her and Christine safe from her husband’s menacing bookie.

Molly faces a dilemma when her publisher asks her to make a provocative change to her book.