The most recent edition of the Islamic State's Rumiyah magazine has raised eyebrows for a number of reasons. Not only does it contain threats against Turkey, perhaps reflecting just how deeply Ankara's operations in northern Syria have cut into the Islamic State's supply lines, but it also includes a translation of a statement from the group's top leader, Abu Bakr al-Baghdadi. The feature that has drawn the most attention, however, is an article encouraging the group's followers to conduct more vehicular assaults. The magazine even included guidance on how to successfully launch such an attack, echoing the second edition of al Qaeda's Inspire magazine. The article went on to highlight the Macy's Thanksgiving Day Parade and other large public gatherings as prime targets, generating a good deal of concern among security professionals worldwide. But it is important to remember that the vehicular attack is not a new tactic and has...
