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

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.

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

TL;DR

  • A 21-year-old man has been arrested.
  • The arrest was made in Pennsylvania.
  • The man is accused of plotting a mass casualty attack.
  • The alleged plot was inspired by ISIS.
  • Federal officials made the announcement.
  • CBS News' Anna Schecter provided further details.