the size and tread pattern were the same. more importantly, the wear patterns known as accidental characteristics were virtually identical. >> the right shoe that had been taken from whipple was the shoe to the exclusion of all others. >> derek also concluded this was the shoe which made the bloody impression on heather's shirt. >> the outsole design of whipple's shoes matched this bloody impression on the tee shirt. >> and tests showed that clothing in the car contained heather's blood. his very first interview with police james whipple confessed. >> i did it because of dam crack cocaine. you'll get your money, you'll get your drugs one way or another. >> he said i killed her, and i deserve the death penalty for doing what i did to this young