An elderly woman's death leads to shocking revelations about her daughter's double life.

Engaged high school sweethearts met in 1991 as volunteers in the Texas Civil Air Patrol. She was an honor roll student bound for Annapolis, and he was a track star with an appointment to the Air Force Academy. This former Navy cadet was just 19 when she learned he had cheated on her. Her rival ends up dead but who did it?

A discovery in the woods leads police to a troubled marriage, a drug overdose and a deadly plot.

When a beloved family man is found brutally murdered in his home, authorities must follow a trail of clues that exposes a strange and unlikely killer guided by gluttonous urges that led to murder.

The body of a successful attorney is discovered lying in a shallow grave in a Sacramento winery, his wife Elisa is suspected of the crime. Before police can interview his wife, she flees the scene and commits suicide. Did guilt drive her to death?

A custody issue is resolved when a woman and her new husband kill her ex.

A mother schemes to save the expense of a divorce by recruiting her 16-year-old son to help end her unhappy marriage.

A young widow blames depression, but was her Air Force husband's death more sinister than a suicide?

A deadly break-in pits mother against daughter, revealing a secret addiction.

The search for a missing man leads investigators to a surprising discovery.

When a young father goes missing, authorities suspect his illegal activities, but a revelation about the mother of his children turns the investigation upside down.

After the brutal attack of a single mother in her own home, authorities work for two decades to uncover an unlikely criminal who uses the power of lust as a deadly weapon.

A woman who always had a thing for hunky men married a Long Island gym owner in 1998, and everyone thought it was the perfect match. She just had one small problem with her new husband - his crack cocaine addiction.

In May 2004, a nurse told friends that her husband of five years had walked out on her. Days later his dismembered body washed up on the shore of Chesapeake Bay.

A millionaire lottery winner goes missing, leaving his financial advisor in the spotlight.

In a classic game of good cop bad cop, a determined detective befriends a Wisconsin woman to solve her boyfriend's suspicious disappearance.

The mystery of a decapitated corpse leads police to make an unlikely accusation about a college student and her missing husband.

When a beloved Wisconsin father disappears, his wife blames drugs, but close friends suspect a violent confrontation that ended a marriage filled with secrets.

An in depth look at the life and crimes of master manipulator, and monster, Drew Peterson. Peterson is currently serving time for the murder of his third wife while the search for his fourth wife Stacy continues.

A popular cab-driver is shot dead on the job, but the search for his killer reveals his wife’s secret prison visits, a torrid affair and a possible conspiracy.

Police believe nurse Kristen Gilbert may have committed up to 60 murders at a hospital in Massachusetts. Some say an affair drove Gilbert to murder while others think her narcissism caused the death of these innocent patients.

A spunky and ambitious toxicologist at the San Diego medical examiner's office was a summa cum laude graduate of San Diego State University. Her husband worked for an up-and-coming biotech firm. Well-educated, highly intelligent, and good-looking, their future seemed limitless. So why did the husband commit suicide, or did he?

A woman goes to deadly extremes to help her son win a custody battle with his ex.

A man's last will and testament points police to his murderer.

The anticipated conclusion to the story behind the trial that captured the nation's attention. Part 2 of 2.