. >> forensic scientist bill schneck examined this paint with a stereo microscope. >> and i noticed itmear, it wasn't like paint chips on the boot, it was smeared into the leather on the bottom of the boot. there was tremendous force to get that paint spear onto the bottom of his boot. >> was it the kind of force caused by trying to kick your way out of the trunk of a car, for example? bill schneck needed to know if the bakers of dale bradley's cam mayor -- camaro had painted the inside of the trunk. luckily, he had a friend who restored old cars. >> he just happened to have a '75 camaro when i was there. so they popped the trunk, and indeed, they had original paint in the trunk. that was useful. >> dale bradley drove a 1974 camaro at the time of bryan's murder. the mission now was to find it. >> they, through a lot of investigation, found that the car had been sold. >> unfortunately, two years after bryan's murder, the new owner sold the car for scrap metal. >> it's in little cubes. it's been melted down. >> but an examination of the case file revealed a surprise. 14 years earlier, an