Afghans say U.S. officials paid $ 860,000 to the families of the dead and wounded . Investigators believe the gunman made two trips off his base during the massacre . Comment: He is being held at Fort Leavenworth , Kansas , after being flown out of Afghanistan a few days after the killings . U.S. Army Staff Sgt . Robert Bales could face the death penalty if convicted .
Afghans say U.S. officials paid $ 860,000 to the families of the dead and wounded . Investigators believe the gunman made two trips off his base during the massacre . Comment: U.S. Army Staff Sgt . Robert Bales could face the death penalty if convicted .