No more gory beheading videos: Why ISIS has banned execution videos - CSMonitor.com
British Museum - Wikipedia
ISIS video shows Jordanian pilot being burned to death - CBS News
New Isis video shows hostages divided into groups to be decapitated, blown up or drowned as execution methods get increasingly macabre | The Independent | The Independent
ISIS Is Begging for Your Attention—by Killing People With Rocket Launchers
Photos: Sickening video purportedly shows ISIS drowning Iraqi prisoners in cage | PIX11