A real estate agent and recreational drug user is discovered riddled with bullets in his bedroom.
Despite advances in forensic technology, two cases prove that fingerprinting is still an important criminal identification tool.
The shooting of a woman and her boyfriend is linked to two other killings; the team tries to discover who owned the weapon used in all three incidents; an illegal gun-smuggling ring looks like the key to cracking the case.
The body of a missing professional gambler is found in a shallow grave, prompting a murder inquiry that takes several years to solve.
The team try to unravel the mystery of a man found murdered in the desert.