it turns out white corollas are very common. >> this strike was taken in an earnest belief it would prevent an imminent threat to our forces and evacuees at the airport. but it was a mistake, and i off my sincere apology. as a combatant commander, i'm fully responsible for this strike and this tragic outcome. >> reporter: defense secretary lloyd austin announced he was conducting his own investigation including evaluation of the orders that went into this strike. we heard from general mckenzie as well yesterday who said there would potentially made to the families in compensation for this, but when he was pressed about this, he has acknowledged that the fact that the u.s. has no presence on the ground in afghanistan makes identifying the family and getting payments to them quite difficult. and here's the difficulty. now that the u.s. has no military presence on the ground in kabul, they've been talking