Two construction workers are shot dead in a New Jersey motel; despite no witnesses to the crime, police uncover a piece of evidence that puts them on the trail of a killer.

A girl desperately runs for her life, but is beaten up by her tormentor and ultimately murdered in an Ohio cemetery. To catch the culprit, forensic experts must come up with a DNA sample where none exists.

College student Jodi Sanderholm failed to return home and, thanks to clues given by her dance team, a prime suspect is identified. Can a single arm hair solve the case?

In the dense undergrowth body parts of a missing man are found. The detectives call in a toxicologist who has never worked on a murder case, but who knows how to make a major contribution.

A civil war buff from a quiet Mississippi town vanishes into thin air; the case takes a twist months later after a skull is found buried at a truck stop hundreds of miles away.

A 55-year-old Civil War buff vanishes into thin air; then, months later and hundreds of miles away, a skull is found buried in cement at a truck stop, and another mystery unfolds.