Retro Report: What Doomsday Cults Can Teach Us About ISIS Today Indoctrination practices used by the Islamic State have much in common with apocalyptic cults from decades ago. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Deaths of Billionaire Toronto Couple Were Homicides, Police SayDavos, Mueller, Syria: Your Friday Evening BriefingTraining Quick and Staffing Unfinished, Army Units Brace for Surging TalibanGrounded and Gutted, Main Afghan Airline Struggles After Taliban AttackSaudi Arabia Frees Media Mogul, but His Company’s Fate Remains a MysteryJulian Assange Asks U.K. Court to Drop His Arrest Warrant