After more than 20 people on a Native American reservation die suddenly from a flu-like disease, Navajo medicine men provide a clue that leads to a most unlikely killer.
A cunning serial rapist who leaves no decisive evidence forces investigators to rely on geographical profiling in their search for an identity; DNA from a cigarette butt may provide the final piece of evidence needed to catch the suspect.
A decomposed body is found in a barrel, and a dilapidated address book may hold the answer, but investigators must find a way to read the pages because the passage of 30 years has turned them blank.
One year after her father's death, a teen's role in a high school production of "Hamlet" causes her to reveal the chilling truth behind her family's tragedy.
A mother puts her hope on the internet and an independent investigation to clear her name after authorities charge her with murdering her 17-month-old son in a fire considered to be intentionally set.
When a man dies unexpectedly in the office of a noted California doctor, police begin what they think will be a routine investigation, but discoveries of false identities and insurance fraud raise questions about the doctor's role.
A forensic scientist uses his skills to preserve a footprint left in snow to help authorities nab two men suspected of robbing an Ontario couple and shooting the husband in the head.
The FBI profiles a suspect in the kidnapping and murder of a 6-year-old girl during an evening church service; a witness leads authorities to the likely killer, but then becomes a victim herself.
Photographs found in a dumpster lead to the killer of Los Angeles model Linda Sobek; the man claims he did not intentionally kill her despite evidence to the contrary.
When a woman dies in a horseback riding accident, police uncover a web of lies in her husband's background after his suspicious behavior prompts a closer look.
A serial killer in Tampa, Fla., taunts police by strangling prostitutes and leaving their bodies in plain sight, but tire marks and fibers lead to the culprit.
A killer wants to outwit the police and keep the identity of his victim secret so he removes the teeth; however, lab tests on the skull reveal not just the horrific nature of the murder, but the identity of the victim too.
When a fundamentalist group is accused of robbing banks, authorities know they are dealing with experienced criminals and overwhelming evidence, but the defense is very well-funded.
When a young doctor is accused of sedating and sexually assaulting two of his female patients, DNA tests show him to be innocent, but the women persist with their claims; seven years later, a private investigation leads to a surprising discovery.