Monday

In Miami, the discovery of a mutilated body sent investigators on the trail of a deadly cult. But agents found a wall of silence around the cult’s members. Potential witnesses, terrified of reprisals, refused to talk.

Every family has its secrets, and sometimes blood relations lead to bloodshed. When murder becomes a family affair, investigators must turn to forensics to uncover family plots.

At first it seemed like a horrible teenage tragedy when the car with 3 friends careened into a brick wall at 100 miles an hour, killing two of them. But after a lengthy investigation police charged the young driver MacKenzie Shirilla with murder.

Suspects use the darndest things as weapons.

For more than a decade, women in a small Louisiana city lived in fear of a serial rapist. Fortunately, computer technology and behavioral science combined to give police a new forensic tool: geographical profiling. Police narrow their search to one man, but to prove he’s the perpetrator they turn to an unlikely piece of evidence--- a discarded cigarette butt.

When the wife of a well-known dentist is found dead, police are unsure who killed her. As the investigation progress a 22 year-old woman confesses to the murders. But two years go by before some fibers and a study of the weather patterns on the night of the murder break the case open and reveal the real killer.

When a young mother and her infant son are found dead in a cornfield, the obvious suspect is the husband and father of the victims. But some insects found on the bodies reveal a vital clue, as does a long, blonde hair found on the victims.

When a decomposed body is discovered inside a barrel, police immediately suspect foul play. But the body had been placed there 30 years earlier. One of the few clues was an address book found along with the body but years of moisture had washed away the ink. Scientists desperately searched for a way to unlock the secrets of that address book.

When a Seattle policeman’s house goes up in flames, fire experts suspect arson – possibly perpetrated by someone with a vendetta against the officer. One month later, in an ironic twist, the officer whose home was torched, arrests a low-level drug dealer, who confesses to the arson! But when the suspect vanishes - investigators start to question the authenticity of the “confession.”

A pregnant woman is brutally attacked in her own home - and her unborn child is killed. After coming out of her coma, she identifies her husband as the perpetrator. The semen left at the scene matches her husband’s blood type. The husband was convicted and spent 16 years in jail proclaiming his innocence. Then, a new DNA test and an innovative computer program lead investigators to question just how accurate the wife’s “recovered memory” really was.

A mother and her two young daughters are found

A young girl is found dead, the victim of an apparent sex-killer. There are few clues to the killer’s identity, but authorities are intrigued by unusual orange fibers embedded in clothing found near the victim. Months pass and the case goes cold, until a van turns up with what appear to be the same orange fibers. Only the latest in forensic technology can determine if there is a connection between the van and the victim.

Spring 1998. In the city of Moncton, New Brunswick police discover the bodies of Joan Hicks and her 11-year-old daughter, Nina Ð both brutally murdered late in the night. That same day, an eyewitness account prompts police to arrest Michael Wayne McGray for the heinous crime. However the real investigation soon uncovers the depths of Michael McGrayÕs twisted mind, revealing a nation-wide killing spree that spanned more than a decade.

War hero Carl Taylor is beaten to death in the back of an empty semi truck, for no apparent reason. The crime scene offers few clues, but Lt Joe Kenda notices an unusual pattern in the victim’s head wounds and enlists a team of engineers to help him identify the murder weapon and crack the case.

At a coffee shop in Washington, DC, three employees were shot to death. Evidence at the crime scene pointed in many different directions. Was this a hate crime, a robbery gone wrong or an act of cold-blooded vengeance?

In Miami, the discovery of a mutilated body sent investigators on the trail of a deadly cult. But agents found a wall of silence around the cult’s members. Potential witnesses, terrified of reprisals, refused to talk.