let me give you some of the more tamed tweets that i can put on the air. here's one. if zimmerman don't go to jail, i'm gonna kill his ass. let me find out where he stay. here's another one. it reads, somebody should just kill zimmerman. they really trying to let him off. so when you see stuff like that, that's out there, should zimmerman be concerned for his safety, or are they just largely tweet threats, empty threats, and how do you tell the difference? david mattingly still with me here live in sanford, florida. thank you for staying. you've been doing long hours. also with me is cnn national security analyst julia, kind enough to join us as well. david, let me begin with you. you've had a chance to speak at length with the attorneys who represent george zimmerman. how serious are they taking this? are they really concerned and starting to make plans? >> well, they are concerned, and they're looking at the possibility of an acquittal here and a lifetime problem for george zimmerman. just before this trial, they had difficulty finding a place for him to stay, where he would be secure. >> he hasn't been to his home,