Pennsylvania man was planning "mass casualty attack" in support of ISIS, FBI says

A 21-year-old Pennsylvania man planned to carry out an ISIS-inspired "mass casualty attack" before being thwarted by the FBI, federal law enforcement officials say. CBS News' Anna Schecter has more.

Pennsylvania man was planning "mass casualty attack" in support of ISIS, FBI says

TL;DR

  • A 21-year-old Pennsylvania man planned a "mass casualty attack".
  • The planned attack was ISIS-inspired.
  • The FBI successfully thwarted the attack.
  • Federal law enforcement officials confirmed the thwarted plot.