ISIS terrorists are raping women in the belief that it will make them Muslim. They believe that a woman will become a Muslim if ten ISIS men rape her.
The horrific issue
ISIS is using religion to justify horrific these gruesome atrocities on women like rape, murder and slavery. These terrorists are attacking villages, killing the men and taking away women to rape and convert Lots of yazidi women are sold in sex slave market where ISIS fighters are picking up and raping them.
(with some inputs from mirror.co.uk and CNN)