. >> the next morning, parishioners of trinity lutheran arrived to find their church in ruins. reverend rouss made an unusual decision. he would conduct services anyway. the parking lot was turned into a makeshift church, and in the midst of smoking embers, the congregation held their sunday service. >> as i looked in the faces of many of my parishioners, you could see the sorrow. many were crying. they thought, this can't be true. >> arson dogs were brought in to look for traces of flammable liquids. they found none. and chemical tests of the rubble couldn't find accelerants either. >> there was really 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