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nr Jeffrey Simon intv _00003724.jpg

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    How to spot a 'lone wolf'

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How to spot a 'lone wolf'

CNN's Brooke Baldwin speaks with Jeffrey Simon, author of "Lone Wolf Terrorism," about the profiles of lone wolves.

How to spot a 'lone wolf'

CNN's Brooke Baldwin speaks with Jeffrey Simon, author of "Lone Wolf Terrorism," about the profiles of lone wolves.