Believer
When Reid discovers former FBI Special Agent Owen Quinn locked inside a storage unit, the BAU questions the credibility of Quinn's bizarre accounts of searching for an UnSub that he named "The Strangler".
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More from this season
S13 E1
Wheels Up
In the wake of a devastating attack, the BAU works with former International Response Team member Matthew Simmons to save one of their own from escaped serial killer Peter Lewis.
S13 E2
To a Better Place
The BAU investigates three similar crimes in which victims' remains are discovered in old suitcases.
S13 E3
Blue Angel
When successful businessmen in Detroit are targeted by an anger-driven power-assertive Unsub, the BAU is called in to investigate.
S13 E4
Killer App
The BAU investigates a workplace shooting committed by a state-of-the-art drone in Silicon Valley.