estranged husband threatened her with a gun and punched her father in the face. cnn s victor blackwell is in lake mary, florida with more. reporter: this is george zimmerman s third interaction with police since the acquittal in the death of trayvon martin. this was forced george zimmerman to lay face down in his driveway. i don t know what he s capable of. i m really scared. reporter: that s shelly zimmerman speaking with a 911 operator. according to the zimmerman s attorneys, shelly zimmerman and her father, david dean, were taking items out of the home the couple once shared. george was not aware of it. when george showed up to see a trailer and truck outside the house, it was concerning to him. there were conversations between george and her dad. reporter: however, text messages between the zimmermans appear to show george zimmerman was aware his wife would be at the home and shelly zimmerman