CNN Forensic Files June 15, 2014 09:51:00
From the crime scene, as far as tread design, tread size, the logo itself. >> investigators noticed the back window of castillons car was broken. pieces of that window were compared to the glass found on the leg of one of the murder victims. the refractive index, a measure of the speed of light as it passes through the glass, was identical in both samples. finally, investigators compared castillons fingerprints to the bloody print found on one victims leg. it matched the middle finger on his rig...
Source: archive.org