he called to a nonemergency number. several hours later an officer showed up. that's what was captured on video. the officer shining a flashlight into the window and in and around the perimeter of a house, and then he opened fire within seconds of asking this woman, 28 years old. she was babysitting her 8-year-old nephew. she was in that home when he opened fire. there's still many questions ongoing about what comes next here, why he opened fire. the fort worth pd said he perceived a threat but didn't say what it was. the breaking news, just now, ongoing, the interim police chief in fort worth says that officer has resigned and if he hadn't resigned, he would have been fired anyway. >> gabe, let's play a moment from that press conference. again, this is the interim police chief of fort worth, texas. >> i certainly have not been