Details on arrest of 21-year-old man for alleged ISIS-inspired mass casualty attack plot (Video)

Home » Videos » Details on arrest of 21-year-old man for alleged ISIS-inspired “mass casualty attack” plot (Video)

A 21-year-old Pennsylvania man has been arrested for allegedly plotting what could have been a "mass casualty attack" inspired by ISIS, federal officials say.

CBS News' Anna Schecter has more.

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