The debate on terrorism is back in focus. Whether violence carried out by an individual, apparently unaffiliated to any militant organisation, on a large number of innocent people, constitutes an act of terror has been a contentious issue in recent months. In an increasing atmosphere of Islamobhobia that has gripped western governments and sharply polarised their societies, the mass killing in Las Vegas on October 1 by a white Christian gunman has added a new layer to the debate. Stephen Paddock’s act of carnage led several people to ask justifiably: “How could the worst mass shooting in US history not be terrorism?”