. >> christina karlsen perished in the housewife. they found her doubled over outside of the tub with a rag covering her face. >> my father had said, mommy's gone to heaven. even before the many planses got there, the firefighters. while we're sitting in the truck. we didn't understand, of course, the gravity or what it really meant. but we knew. so we were all really quiet. >> karl tells investigators how he thinks the fire started. >> he had been working that day of the fire, he was working in the attic area. >> karl says he was using a trouble light in the attic for light just before he went out not garage. >> karl's claim that the trouble light, which either fell from the attic or which he left on the kerosene spill, likely caused the fire. >> christina's death is ruled an accidental death. karl kent, who was the investigator for california department of forestry, he had a lot of questions about the cause and who started this fire. >> and it didn't help that karl had taken out an insurance policy on christina just weeks before th
