The FBI quietly arrested a 15-year-old boy outside of Philadelphia last month for allegedly threatening to launch an ISIS-inspired assault on Pope Francis while the world leader tours the United States next week, ABC News has learned.<br />"The minor was inspired by [ISIS] and sought to conduct a detailed homeland attack which included multiple attackers, firearms, and multiple explosives, targeting a foreign dignitary at a high-profile event," according to a joint intelligence bulletin by the FBI and Department of Homeland Security issued to law enforcement across the country on Aug 14.<br />Their "innovative use of social media and messaging has played a key role in motivating young U.S.-based males and females to travel to join the self-declared Islamic State or allegedly attempt to conduct attacks in the Homeland on behalf of" ISIS, the bulletin said.
