Experts Believe Contagion Effect Could Be Tied To Recent Mass Shootings | NBC News NOW

Are mass shootings contagious? Some experts believe it could be. NBC News’ Doha Madani reports on the “contagion effect” and how it differs from a “copycat” killing.
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Experts Believe Contagion Effect Could Be Tied To Recent Mass Shootings | NBC News NOW

Source: NBC News

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