look for traces of flammable liquids. they found none. and chemical tests of the rubble couldn't find accelerants either. >> there was very little trace evidence for us to recover at the scenes. >> there was no vandalism at the fire scenes. so the motive appeared to be thrill seeking and all of the fires started the same way on the ground floor at chest level. over the next several weeks, there were eight church fires, six were lutheran churches. eventually the arsons moved on to businesses and homes. in one night alone, there were 12 different arson fires. all of the fires were set at night without the use of accelerants. >> i watched people burn in the middle of the night out of their homes, losing all their possessions. standing literally in their