were tragically killed in that strike. >> reporter: general frank mckenzie, overall commander of the evacuation from kabul, suicmber kille13he a erican service members and amid intelligence warnings the terrorist group known as isis-k was preparing to attack again. >> we now assess it was unlikely the vehicle and those who died were associated to isis-k or were a direct threat to u.s. forces. >> reporter: the vehicle, a white toyota seen here in security camera video, belonged to an aid organization and was driven by one of their employees, zemari ahmadi. six drones followed the car for eight hours as it drove around kabul. at one stop men were seen loading what was thought to be explosives into the trunk. the vehicle finally pulled into a compound three miles from the airport. >> we were concerned the vehicle could move quickly and be at the airport boundary in a matter of moments. >> reporter: the drone fired