MasterClass

Identifying Vulnerabilities: Darrell Gene Devier (161x9)

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John gives us an inside look at the case of convicted rapist and child murderer Darrell Gene Devier. He notes that we all have vulnerabilities—but if you can learn how to identify them in others, you can use them to predict behavior. By understanding Devier’s vulnerabilities, John was able to coax a confession out of him.