CNN Forensic Files March 3, 2014 07:21:00
And on those shoes was even more evidence. >> when i was talking to him, i had just looked down at his shoes. and i seen some spots on them that looked like blood. why, naturally, i am very pleased with this. >> once again, greg liskowski made impressions of berryman's sneakers in the same material he used for the tire. again, the impressions were clear. the size, make and model were identical to the impressions at the crime scene. the accidental characteristics were also identical. and the blood? this was before dna testing. so analysts turned to a process called electropherisis. this showed ...