Tuesday

It is difficult to convict a murderer if the body can't be found. But forensic science is finding ways to do it. Devious killers can think up many was to dispose of their victim's remains, but they are often no matches for creative and devoted investigators. A speck of blood, a piece of a fingernail or a strand of hair may now be enough evidence to prove a murder and capture a killer.

Money may not be the root of all evil, but for some men, a million dollars is enough to justify murder. Even men sworn to uphold the law can sometimes be tempted.

The body of a young woman found burned in a truck launched a manhunt to find her killer. When more bodies began to turn up across the country, the FBI believed the cases were linked. Investigators had a suspect. They just couldn’t find him.

Iowa v. Cristhian Rivera. When 20 year old University of Iowa student Mollie Tibbetts went missing during her regular evening jog, her disappearance was headline news. Police had few clues until a local resident shared his garage surveillance camera which had captured a brief glimpse of Mollie running down the street and later a black car driving by. Following the lead Police moved quickly to arrest undocumented immigrant Christhian Bahena Rivera who worked at a nearby dairy farm and charged him with murder.

A self-appointed angel of death on a mission beyond the law. A sniper who targets abortion doctors and then disappears into the shadowy underground that supports and protects him. But when the sniper’s mission moves to murder, a city is thrown into blind panic that spreads across the country and beyond. Armed with the very latest in forensic technology, this is one game the cops have no intention of losing.

A love triangle turns lethal—ending in a masked execution that uncovers just how Shawna Nelson will go to eliminate her rival.

In a jealous rage, 57-year-old professor George Zinkhan murders his wife, her lover and shoots other members of their amateur theatre troupe

Amanda Dean disappears without a trace, but her family refuse to accept the explanations offered. As years pass, allegations of domestic violence and conflicting accounts fuel a relentless search for answers in one of Ohio’s most troubling missing-person cases.

The chief of police in Sparta, MI leads an investigation into what happened to his family friend and babysitter, Julia Dawson. Julia is reported missing when she doesn't come from Christmas shopping, and her body is found beneath a snowbank, weeks later. While evidence mounts against one suspect, it would take more than three years before investigators are able to make an arrest.

Eric Houston is found stabbed to death in a seedy motel, but the ensuing investigation is stymied by a long list of suspects. Lt. Joe Kenda refuses to let the case run cold, and deploys a groundbreaking new technology to catch the killer.

On a rainy night in Edmonton, Alberta police are called to a trucking yard where the body of a 6-year-old girl laying face down in the mud rattles the most seasoned homicide detectives. Few clues are left at the crime scene, and a mysterious marking left in the soft ground is the only lead that police have to follow. The city residents are overcome with fear for their children, which prompt an immense response of tips from across the province. However, despite the thousands of tips and leads that are processed, the investigation enters its 10th year, and the police are no closer to finding the killer. Finally, an officer unexpectedly finds the one clue that ties a man by the name of Clifford Sleigh to the crime committed almost a decade earlier. Revolutionary DNA analysis conclusively determines that he is the Boogeyman that police have been searching for.

In 1995, the body of a Chicago woman is found dumped on a Wisconsin highway. Was she the victim of a lover’s spat turned deadly? Did she run afoul of local criminals? Investigators uncover the shocking truth behind the victim's tragic end.

Upon meeting his neighbor, Carlito Perez becomes obsessed with her and begins to stalk her every move, launching a series of violent attacks against her.