When U.S. intervention smashes established authority, even more brutal forces fill the vacuum.
The victims were shot or beheaded.
These were the first such reports of alleged abuse in a U.S.-backed campaign to retake the city from ISIS.
The militants also forced 1,500 families to retreat from the town of Hamam al-Alil.
Kurdish authorities say they're protecting camps and cities from ISIS operatives.
One Christian woman fled Mosul after ISIS gave her a choice: convert or die.
The terror group's assault on Kirkuk killed six members of the security forces and two Iranians who were part of a team carrying out maintenance at a power station outside the city.
Booby trapped bunkers suggest the advance ahead will be difficult.