refined, we may be able to be there. but we don't have that specific breakdown. >> how many american citizens remain in afghanistan? >> i don't know. >> well, the 7,000 figure, at this point, i'm not in a position to break that down much further. >> the defense department, the state department, up able to answer what are important questions, important because joe biden has said u.s. troops will stay in afghanistan until all americans are out. even if it is past the august 31st deadline. and in order to know when u.s. troops can leave, you need to know how many americans are still in the country. mean meanwhile, outside the airport gates, this is the scene captured by cnn. rows and rows of men, women, and children, shoulder to shoulder, waiting. no idea what lies ahead. make no mistake, it is a dangerous journey out of afghanistan. i want to warn you, the pictures you're about to see are graphic. here you can see a child being