- Original release
- Previous episode S161E10 - Developing Intuition
- Number S161E11
- Genre Documentary
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External links
TheTVDB page
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Last update
7 mars 2026 - 07:15
on 11 databases
Determining M.O. vs. Signature: The BTK Strangler
John discusses the BTK Strangler, a serial killer who sent taunting letters to the police and media. In this lesson, John explains the differences between MO and signature so we can determine whether others are interfering in our lives.
Next episode
S161E12 - Making Calculated Decisions: The Atlanta Child Murders
