i spoke with lars at the state penitentiary in beeville, texas, where he said he carries a photo of debbies prison uniform. >> i kiss her picture every morning, every night. >> i asked him to skdescribe on again what happened the morning he shot debbie. >> i woke in the middle of the night. >> the story sounded familiar, but then -- >> and i seen the door closing very, very, very slowly. >> he had seen the door closing? as he had before, he added a detail to his story. moments later he added another. >> there were people in my house reaching for me. >> reaching for you? >> well, i just seen movement. >> so i asked lars about his inconsistencies. >> why was your story changing. >> i don't believe it was. i don't have the script in front of me that i'm reading. this is exactly what happened step by step by step. >> but isn't the truth the truth? >> absolutely. but to have an exact answer every single time, it is not me. i will have an answer that is the truth but it is going to be said differently each time. >> then we talked about the key question, what really did he see before he fired the