“For an extremist group that has made its reputation on its ferociousness, with fighters who would always choose suicide over surrender, the fall of Hawija has been a notable turning point. The group has suffered a string of humiliating defeats in Iraq and Syria, but the number of its shock troops who turned themselves in at the center in Dibis was unusually large, more than 1,000 since last Sunday, according to Kurdish intelligence officials.”
Source: ISIS Fighters, Having Pledged to Fight or Die, Surrender en Masse – The New York Times