William Langan

An unknown subject in Phoenix abducts people and deprives them of sleep. Meanwhile, Garcia and Hotch deal with a threat from hit men.

Don and his team attempt to track down a serial rapist who uses his position as a police officer to ensnare his victims.

Detectives look into the deaths of a powerful senator and his daughter, and suspect the motive may have something to do with his final resting place when they discover that his daughter wants him to be cryogenically frozen.

Avery and the team track a hacker who is responsible for a huge breach of highly classified data that impacts millions of federal employees; Avery and her ex-husband have a talk; DB thinks about a future with Greer.