Snapped

An in-depth look at the complexities of the case against Aileen Wuornos, the woman branded as America's first female serial killer; questions still revolve around her claim of self-defense and whether or not she got the justice she deserved.

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.

In the 1970s, Ted Bundy murders at least 36 young women; glamorized as a handsome, well-educated killer who outsmarted the law, Bundy may have been an evil genius or a con artist posing as privileged to hide the monster in plain sight.

Nurse Charles Cullen is one of America's most prolific serial killers; police say he may have murdered up to 400 victims; Cullen claims he acted mercifully to end their pain; an in-depth look into the case reveals the truth behind his motives.

A shocking carjacking may have ties to international espionage, or the murderer could turn out to be someone much closer to home.

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.

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.

A deadly fire burns a home and leaves one man dead; investigators assume the fire was an inside job.

A possible love triangle has deadly consequences for a prominent California lawyer.

When a determined son urges police to investigate the disappearance of his father, he meets a storm of family tragedy and betrayal.

The investigation into the murder of a fellow officer plunges detectives into a cavern of secrets and lies.

The death of a Texas racecar champion leads detectives down a winding road of suspects and reveals deep, dark family secrets hidden for decades.

When a popular construction man in a tight-knit Texas town is found gunned down in his own home, it takes police a decade and a half to track down the killer.

When a Brooklyn native is found shot to death in the backseat of his car in a rough Atlanta neighborhood, police have to figure out if trouble followed him south or if the killer is in his inner circle.

A mysterious shooting of a religious family man leaves a community questioning if it was a drug-related slaying or a bloody family affair.

A quiet Wisconsin town is rocked by its first homicide in six years when an eccentric father of four is found dead in his basement.

An Army vet survives two tours in Iraq, only to be gunned down in his own home.

A parking lot shooting in the dead of night leaves detectives with a long list of suspects, but the killer hides in plain sight.

A troubled woman turns her life around when she moves back home to the family farm; when her elderly mother disappears, police uncover a twisted web of deceit, betrayal and forbidden romance.

When a charismatic father and adored member of the local youth sports community is bludgeoned to death, police must discern fact from fiction to pinpoint his murderer.

A small town church is stunned when a parishioner is murdered; in a shocking twist the suspect pool is drawn directly from the church walls.

A concerned father in Arkansas reports his son missing, launching an investigation that would unearth a dark network of lies and a horrific discovery more deadly than police ever imagined.

A doting grandmother alerts police when she recognizes her daughter's dead body on the evening news, triggering an investigation that proves blood isn't always thicker than water.

When authorities discover a young woman's body in a shed, they struggle to determine whether her killer is someone under her own roof or the result of an illicit affair.

The investigation into a missing mechanic sends Texas authorities on a wild goose chase that ceases at a dead end, until years later, when a new tip heats this cold case to a boil.

An affluent grandmother falls victim to an elaborate murder plot fueled by passion and greed.

When a woman covered in blood shows up on her neighbor's doorstep, Georgia police commence a home invasion investigation that leads them to uncover more twists than they could have ever imagined.

A tumultuous household dynamic results in the deaths of four family members.

In Gilmer, Texas, firefighters find a man's charred body while battling a vehicle fire; the ensuing investigation reveals a sinister murder plot that shocks the residents of the small town.

The murder of a local café owner leads a small-town police force to uncover a diabolical scheme fueled by scandalous temptation.