you obviously saw something because you fired the gun. >> i said i seen a shape. >> lars insisted he thought there were intruders in the house. he and debbie were in danger. >> i thought there was somebody else in the house going down the hallway the other direction. i thought there was one coming at me this way, that's what i think i -- >> will make you think that happened tonight? because your dog rolled? >> yes, sir. he never girls. he barks. >> there was no apparent evidence to contradict him. after an hour of questioning, police once again let lars go. six days later, he said his final goodbye to debbie. her parents by his side. how was lars at the funeral? >> very composed. very reserved. he stood up with me. >> what did that say that the family was supporting him? >> is that a lot. it was great. >> debbie's friends were nearly as supportive.