Human rights groups tallied more than 1,600 civilian deaths caused by U.S.-led forces in Raqqa, Syria.
The figure is hundreds more than the number the U.S.-led coalition claims over the entire four-year campaign against IS, the groups said.
U.S.-backed forces have finally retaken the Syrian city of Raqqa.
The poorly equipped and thinly staffed facility is inaccessible to most of the population.
Iraq's abuse of civilians will make it easy for the next version of the extremist group to recruit.
The extremist group has tarnished the idea of a caliphate in such a way that it can never be established again.