Multiple missteps led to drone killing U.S. troops in Afghanistan

On the evening of April 5, a pilot settled into a leather captain's chair at Creech Air Force Base in southern Nevada and took the controls of a Predator drone flying over one of the most violent areas of southwestern Afghanistan. Minutes later, his radio crackled. A firefight had broken out. Taliban insurgents had ambushed about two dozen Marines patrolling a bitterly contested road.

See the full article at Los Angeles Times