A 21-year-old Pennsylvania man was arrested after an FBI investigation uncovered plans for a mass casualty attack inspired by ISIS allegiance. Federal officials said Jonathan Kramer had armed himself to carry out the attack against American civilians.
Federal authorities arrested a 21-year-old Pennsylvania resident on September 15–16, 2026, who was allegedly planning a mass casualty attack inspired by ISIS. FBI Director Kash Patel confirmed agents disrupted the violent plot after tracking the suspect to a hotel.