Forensic Files

Who's Your Daddy (7x4)

: 22, 2002

In 1988, the body of a young woman was discovered in an Ohio river under ice. Most of the evidence found at the crime scene -- hairs, fibers, & fingerprints-- had been washed away. But the victim's 6 year-old son unwittingly told investigators all they needed to know about the killer... and he did it without saying a word. The clues was in his genes.