Afghans Who Assisted U.S. During the War Underwent Rigorous Vetting

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.John Ratcliffe, the C.I.A. director, said the man accused of shooting two National Guard members, an Afghan who had worked with U.S. forces during the war in his country, “should have never been allowed to come here.”