>> yet, the red plastic fuel can was found outside the workshop. >> all right. how did it get back outside? >> i don't know. >> and overbey noticed that jim's arms and legs were outstretched when he was found. underneath jim's body were several aerosol cans. >> there was one under his head, there was one under his right leg and another one up under his back. and that appeared odd. that appeared, to me, something that could be used to accelerate the damage of the body in a fire. >> patterns on the concrete floor around the body were also suspicious. >> these are called pour patterns right here. absolutely nothing else on the planet makes these marks. nothing. this is what it leaves,