but lentini discovered that the workshop housed containers of fuel for jim's tree-trimming equipment. >> in the shop, we had vehicles and we had tanks of acetylene. we had tanks of propane. we had containers of liquid fuels. >> he had chainsaws in there, lots of papers, clothing, lots of combustibles. and when it went up, it just really went up. >> and lentini disputed police claims that there were pour patterns around jim's body. he said the heat of the fire made such a determination impossible. >> once you get to full-room involvement, you're going to get all kinds of patterns that are easily misinterpreted. it happens all of the time. i've created them by mistake. i've created them on purpose. >> the homicide investigator thought that the position of jim's body was suspicious. >> we felt like, from the very beginning, based on the way he