My Next Guest Needs No Introduction With David Letterman

An agent in the FBI's Elite Serial Crime Unit develops profiling techniques as he pursues notorious serial killers and rapists.

Secrets emerge and entire cases unravel inside a police interview room in Paris, where suspects and investigators face off in an intricate dance.

In the interview room, detectives go head-to-head with suspects and try to get to the truth—even if it means breaking the rules and risking it all.

High-stakes exploits turn deadly — and shake a global church to its core — in this extraordinary true crime story.