that backpack and i knew it was true. so, he was arrested and forced to provide an additional dna suspect. and that left no doubt he was the source of the dna on susan schumake. they cannot fathom a reason for susan schumake s murder. they believe he saw her walking alone on the dirt path and decided to attack her. it was late in the day, no one heard or saw anything. he left behind his dna, then took her yellow backpack, stole $10 from her purse, dumped it in the creak, then dropped his bag with a pharmacy prescription in it not far away. it s the randomness that s so frightening, she wasn t selected. she just happened to be in the