national security analyst.ograd, you hear short but powerful information from the investigators, multiple casualties. >> absolutely. looking at the signs of distress and the way the operators, s.w.a.t. operators are moving, you can tell this is a scene where chaos has happened. it hasn't been flushed out. that's what happens. they try to sort it out. keep in mind, we are teaching our police, our law enforcement post columbine which happened 19 years ago this april, they have to go to the sounds of the guns. most active shooter situations, fred, are resolved one way or the other within five to ten minutes. they're going to the sound of the guns. we pray for them all. they're going into harm's way, doing good work, making sure there aren't casualties on this. >> all we know, service likely in place at the synagogue there, and not long after it getting under way, reports of shots