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Will a trail of blood from the balcony of a young woman's apartment to the complex's parking lot lead police to her cold and calculating killer.

The abduction and murder of a beloved teacher haunt the residents of a New England town for decades, until her killer emerges from the shadows.

In Texas, a former high school football star is murdered in broad daylight. Police search for a disgruntled parent or fan that may have followed him home.

When a former cheerleader is murdered in her car, police launch an investigation into the town's corruption. Decades later, the killer is brought to justice.

On Monday, January 28th, 1996, the morning after Super Bowl, a campus worker at Tustin High School, California discovers a bloody corpse on the tennis court.

The Curious Case of the Persian Violet. In 2004, 27-year-old Jarrod Davidson is shot dead outside his apartment. Next to him is a suspicious potted plant. Who killed him.

The murder of 10-year-olds Holly Wells and Jessica Chapman in 2002 shocked the UK. Experts study media interviews of their killer, Ian Huntley, to expose his lies.

What exposed Tracie Andrews' lie that a road rage attack killed her lover? Mike Gifford-Hull's TV plea for his missing wife Farsi hides the truth.

On Monday, January 28th, 1996, the morning after Super Bowl, a campus worker at Tustin High School, California discovers a bloody corpse on the tennis court.

The Curious Case of the Persian Violet. In 2004, 27-year-old Jarrod Davidson is shot dead outside his apartment. Next to him is a suspicious potted plant. Who killed him.

An oil executive goes missing in front of his New Jersey home. Police fear a medical emergency until a ransom note arrives from an eco-terrorist organization.

Washington Redskins star 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.

The murder of 10-year-olds Holly Wells and Jessica Chapman in 2002 shocked the UK. Experts study media interviews of their killer, Ian Huntley, to expose his lies.

In the mountains of Colorado a young pilot goes missing without a trace, leaving behind her baby. Police unravel a story far more horrifying than they imagined.

A quiet rural town is rocked when two schoolgirls are found murdered. Police discover one of the girls may have recorded her killer with her phone.

When the body of loving father, Re'Mano Campbell, is found slain in his house in Prichard, AL, local investigators unravel a disturbing web of lies.

When 93-year-old Penny Knell is admitted to a special care facility, a devious mastermind is waiting there to prey upon society's most vulnerable.

In Michigan, a simple affair between two colleagues turns complex as the lovers are willing to do anything - even commit murder - to protect their secret.

Three men die over a span of 12 years, with no suspicion of wrongdoing. But when a deadly car explosion rips through Florida, a new investigation begins.

A mother from Texas suddenly drops out of contact. Police believe she may be taking a break somewhere, possibly with a new man. But Julie's family fears the worst.

When Tom disappears on a job at a Green Bay paper mill, no one is talking to detectives. Is it a conspiracy of silence, or a tragic miscarriage of justice.

During the day Lorenzo Gilyard is a well-liked professional. At night he's a monster, preying on the women who work the streets.

For 42 years, Carl Sutcliffe has carried the stigma of his brother's atrocious crimes. He shares what it was like the day he found out his brother was a killer.