Bobbie Jo Stinnett is found strangled to death in her home. Known to be eight months pregnant, paramedics are shocked to find that Bobbie Jo's fetus has been removed through a crude cesarean section. Investigators race to find the newborn.

After David Castor is found dead from poisoning, his wife and stepdaughter are both suspected of crafting the murder plot. The investigation takes an unexpected twist when one suspect attempts to kill the other.

In 1980, Karin Strom is found strangled to death. A seemingly open and shut case turns into a 26-year 'who done it?' DNA taken from three prime suspects is compared to DNA recovered from the victim. The results are startling.

In 2008, 16-year-old Meghan Landowski is found stabbed to death. A seemingly open and shut case turns into a months' long "who done it?" Police methodically eliminate suspects in their hunt for a young girl's killer. The results are shocking.

In 2001, 20-year-old ranger Carrie Nelson is found beaten to death in a park office. The senseless killing turns into a five year long "whodunit?" Investigators turn to science as they track down an elusive and unlikely killer.

For eight years, the Bike Path Killer terrorized women in the Buffalo area - committing seven rapes and two murders. Then, without explanation, the attacks stopped. After a 12-year absence, the Bike Path Rapist resurfaces.

Remains found in a sewer are identified as Tristan Jensen, a 14-year-old boy who was reported missing. Investigators find it hard to believe that another teenager could be the prime suspect in one of the most gruesome murders they have ever seen.

A suburban Oklahoma town is rocked by the stabbing murder of 27-year-old Gary Larson and the rape of his girlfriend. The attacker leaves a trail of bloody footprints in Larson's house. Investigators must follow the footsteps to catch the killer.

25-year-old waitress Corey Parker is found dead in her apartment bedroom with over 100 stab wounds to her body. After two long years of intense investigation, detectives finally zero in on a suspect. But the crafty killer knows he's being watched.

Star Washington Redskins safety Sean Taylor is shot dead by an intruder in his Miami home. And when it comes to the rich and famous, it seems like everybody has a motive...

When a hero firefighter is found savagely murdered in his own home, the trail of evidence police find takes them on a twisting and tension filled journey to justice.

When a young girl kidnapped from her bed in the middle of the night is found dead in a nearby canal, it marks the beginning of one of Salt Lake City's most notorious child murder investigations.

After a four-year-old girl finds her mother's lifeless body, police must try to unravel a puzzling mystery. A murder investigation in which they must rule out multiple solid suspects before they arrive at the unlikely killer.

Two sisters are found murdered in a heart-breaking double homicide. The evidence police discover paint a grim picture of the crime but will it lead them to the killer?

A teenage girl disappears on her way to visit friends. As police retrace her last known movements they uncover a terrifying possibility, the 16-year-old may have been kidnapped by an international human trafficking ring.

Police investigate a residential house fire and discover it was intentionally set to cover-up a savage murder. Had the killer managed to destroy all the evidence or was there a clue he overlooked?