how did heidy truman wind up on her kitchen floor shot in the head? police were wondering about her husband. afterall, conrad truman was in the house when heidy was shot. and there was no evidence of an intruder. >> i felt like they thought i did something. >> soon after he arrived at the scene, sergeant bill crook did begin to have his suspicions. >> we're telling him, conrad, back off, the paramedics are here. he wouldn't. >> he was moving around, keeping paramedics from getting to the body? >> there were other scenarios that needed to be explored, like accident and suicide. that's where detective tom. >> in a number of theories, we are going to exhaust them. that's going to happen. >> the medical examiner didn't make wallace's job any easier. his preliminary finding, heidy's manner of death could not be determined. so wallace tackled each theory one by one. accident seemed hard to believe. thanks to conrad, heidy had firearms experience. >> can you think of any way it could have been an accident? >> no. heidy wouldn't have been so careless. >> so, w