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Dr Katherine Ramsland gets first-hand insight into the mind of the BTK Killer, Dennis Rader, and the fatal mistake that led to his capture.

BTK: Confession of a Serial Killer

Walking Cesspool

After 1978, while BTK seems to disappear from Wichita, he was actually quietly stalking victims and killing with more sadistic violence than ever before.

Keeping Secrets

The murderous crime spree of BTK continues as there were seemingly no signs from his upbringing that would indicate he would become a serial killer.

Unmasking Factor X

On the surface Dennis Rader seems like a regular guy, but what lies beneath is a sinister fantasy life he enacts under the guise of his alter ego, BTK, while terrorizing Wichita, Kansas.

Outliers

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Examining the horrific crimes and psyche of notorious serial killer Dennis Rader through exclusive phone conversations with Rader himself, new archival, comprehensive interviews, and access to Rader's drawings and coded diaries.

S1 E4 | Walking Cesspool