The group known as “M-resistance” operating inside of ISIS’s de facto capital in Iraq has increased its activity significantly in recent weeks. The group has a record of successfully carrying out assassinations of high profile ISIS members inside the city.
The group is the only known organised resistance force inside the city; this video details various assassinations of ISIS officials that the group has carried out.
The group has been active since 2014. It uses graffiti to let ISIS, and indeed the residents of Mosul, know that they are present, targeting the facilities used by the “Hisba” [the group’s religious police].