 The focus of attention is on the failures of the Secret Service here, because they first of all got to, they need to establish that there is no further threat. So, you know, they can't interrogate the gunman because he's dead. He was shot dead very efficiently, very quickly by the Secret Service snipers, but not before he'd loosed off about four rounds. So, first of all, how was he able to get, to bring an AR-15 assault rifle on,