Testimony from an U.K. inquiry into the actions of British special forces in Afghanistan accuses senior British Army brass of covering up war crimes.

Independent Inquiry relating to Afghanistan examines allegations that SAS units unlawfully killed detainees, unarmed civilians, including children, during night raids.

Former officials said the C.I.A. diligently assessed those who partnered with its forces, like the man accused of shooting two National Guard members in Washington.

An Afghan national who once worked with the CIA is suspected in the shooting of two National Guard members. NPR's Lauren Frayer speaks with journalist Steve Coll about the CIA's role in Afghanistan.