jim leidel was there that night.he might have had her own building torched for the insurance money. so obviously, we had to go look at her. you know, she lived nearby. but she was fine. financially, she was stable and was successful with her rentals. so she had absolutely no motive for burning it. josh mankiewicz (voiceover): one thing was obvious-- this fire was no accident. jim leidel: the gas meter itself was disconnected and was just hanging by the inlet fitting. the responding fire crews had a difficult time extinguishing this fire until they were able to shut the gas off to the meters. so the gas is just escaping into the air. correct. nothing about that looks like an accident. and it doesn't even look particularly subtle. no, not at all. josh mankiewicz (voiceover): the scene had all the earmarks of the fire at scott purk's house a year earlier. the disconnected gas lines, gasoline poured around the foundation-- everything seemed to match. i'm not the brightest bulb in the box, you know, but boy, all of a sudd