If the people of Mosul can’t fight ISIS then we will, let the Mad Dog eat.
As long as Mathis continues to believe there is some version of Islam that is being perverted - do not count on him to come up with any strategy different than what has gone before. Because of his erroneous belief, against Islam, Mathis will be ineffective, no matter his past record as a warrior. He will be eaten.
Be polite, be friendly, and have a plan to kill every living soul in the AO.