Investigation Discovery Clips
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Deadly Desires
Most Evil (01:48)
Some people kill impulsively. But others carry out deviant desires and schemes that lead to mutilation, cannibalism, and murder.
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John Wayne Gacy
Most Evil (02:07)
John Wayne Gacy was a smart businessman, admired by friends and neighbors. But nobody knew the vicious killer who hid behind the mask of a clown.
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Murderous Women
Most Evil (01:50)
Ninety-three percent of murders are committed by men. What motivates the small percentage of women who kill?
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Dr. John Bradford is working with two pedophiles who share their stories and how they are working to control their urges.
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The Scale of Evil
Most Evil (01:31)
A forensic psychiatrist has created a scale to measure the most evil criminals by motive, method and madness.
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Ed Gein
Most Evil (01:43)
Why did people, from all over, drive to the small town of Plainfield, Wisconsin in 1957?
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Brady and Hindley
Most Evil (02:07)
When Myra Hindley meets Ian Brady, it is a fatal attraction. The Manchester England couple becomes a murderous duo.
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Secrets of Murder
Most Evil (03:55)
For years scientists have been working to uncover the secrets that lie behind serial murders. Now they believe that they have begun to unravel some of the key answers.
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Up Close
Most Evil (02:18)
Get up close with the people who are accused of committing some of the most heinous crimes known to man.
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Cindy Hendy
Most Evil (05:40)
Get up close and personal with Cindy Hendy, the woman who worked alongside David Parker Ray in his coveted "Toy Box".
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Jessica Schwartz
Most Evil (05:49)
Profiler Pat Brown travels to Florida to meet with torture killer Jessica Schwartz, a women convicted of murdering her young stepson.
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Stalkers
Most Evil (04:01)
Find out what is going through the mind of an obsessed stalker and killer.