“When I interviewed ICSR director Peter Neumann in September 2015, he explained that there were four main reasons he'd found for why ISIS fighters quit: 1. Recruits joined to fight Bashar al-Assad, but ended up largely fighting other Syrian rebels, and were disappointed by this. 2. Defectors believed…”— Zack Beauchamp, vox.comTagged: Why ISIS Is Losing, ISIS Weaknesses, ICSR, Peter Neumann