you're watching a body camera from an officer spencer mortonson following 35-year-old derek b. johnson inside this apartment that you're seeing in the video. johnson fled a crash where he wrecked into a pole with his truck and also has multiple dui convictions in his past. >> with a knife? >> yes. >> is he trying to right now? >> i'm worried more about -- >> okay. come out here. i guess the male's inside trying to cut himself with a knife. >> he makes this woman sit down and then he heads inside the apartment and you don't see erik johnson for a while but there's no backdoor to this place so officer mortonson knows he's in there somewhere. >> eric. cor police department, i need you to talk to me. >> he repeats the same stuff over and over again trying to coax area rick johnson out from the back of the apartment. >> whatever you are considering doing, it's not worth it, man, it's just a crash. >> watch this eric does come out. >> put the knife down now. put it down. i'm serious. put the knife down. i need you out of this house right now. put the knife -- i will shoot you. put the knife