New details on the final shootout between fugitive former LA cop Christopher Horner and police in big bear California authorities now getting a clearer picture. But just what went on in that cabin -- -- -- made his last stand and ABC's John Mueller. He is here with the latest John. -- investigators were initially unsure how Christopher daughter died did he kill himself was he killed by deputies bullet. Or -- -- parish in the smoke and flames -- now police believe daughter took -- fifth and final life. His own. Police laid out the arsenal of weapons fugitive ex cop Christopher Warner used to kill four people in a revenge campaign against the LAPD. It now appears the last life Horner took was his own as a cabin he barricaded himself inside began to go up in flames. The information that we have right now seems to indicate. Got the -- that. -- Christopher Gore's wife was self inflicted. During the autopsy yesterday. He's a Doctor Who conducted process. Concluding that the cause of death was a single gunshot wound to the head. Police now confirm daughter was essentially hiding right under their noses for most of the manhunt. Inside a condominium steps away from the command center near big bear lake could burn for quite some time but police also say they fired pyrotechnic tear gas inside the other cabin where daughter made his last stand. Before we put that into protective chemical agent and we made numerous PA announcements identifying him by name. Asking him to surrender DR and now the first words from the owners of the -- that burned to the ground grateful they're alive this can be rebuilt. And -- insurance is gonna pay for this sound like it's not somebody who's lost forever. Now police -- they did not burned down that -- intentionally they also say after the flames started a single gunshot was heard inside and that sounded very different from all the other shots have been fired and they believe that was the bullet. The -- saved for himself.