And now they have threatened to raise their flag over the White House, according to a Vice documentary published on the same day that President Barack Obama authorized airstrikes on ISIS in Iraq if U.S. personnel are threatened.
The Spread of the Caliphate: The Islamic State (Part 1)
The Vice News documentary, part one of five on the well-armed and battle-hardened group of extremists rampaging through northern Syria and Iraq, provides an unprecedented look at ISIS militants and converts in their de facto capital of Raqqa in Syria.
