i talked to the secretary of transportation, elaine chao, to ask her to get an investigation going. i talked to the chairman of the ntsb. they have launched an investigation and are trying to get to miami right now with their investigators. shepard: do you know from speaking with the authorities if anyone was on the bridge, construction workers, pedestrian or otherwise or if the casualties involved were all from beneath the bridge? i do not know the answer to that question. unless it was caused by somebody being where they shouldn t and weight collapsing it. otherwise, it s going to be a construction problem or an engineering problem. that is what the ntsb investigation will find. police have early reporting is what it is. but police have told our local network news service wplg, local