was attacking me so i stabbed him in the back and he took about three steps and i tackled him from behind and somehow got around and slit his throat, and i remember him saying please don't kill me. and that's when i realized oh, my god what am i doing? >> my producer later described her interview with garner as exhausting. as he often took the conversation on bizarre tangents. >> each and every nano second, whatever the latest measurement of time is. repressed alien that snowballed emotionally and was repressed through drugs and alcohol. that was witnessed by 10,000 people at a country hoedown concert. >> it was another few minutes before our producer could bring him back to the details of his crime. he told us it was both shocking and disturbing. >> i pulled his brain out, took a bite out of it. >> like frank street, garner was