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Ride-sharing company Uber X is accused of hiring drivers with criminal histories. Also featured: a Florida businessman who faked his own death and a murder that took place in a yoga store.

The investigation of UBER X continues, featuring an interview with a mother whose daughter was killed, after she was struck by a UBERX driver. Also: an interview with a father whose daughter was murdered and then dismembered.

The case of a woman jailed for the murder of her boyfriend, even though she maintains her innocence, is examined. Also: online dating apps are investigated and Matt visits Las Vegas for a social experiment.

Cyber stalking is spotlighted; new clues reignite the investigation of a murder from 40 years ago; part one of a series profiling a man known as "Zombie Hunter"; and a dog who put himself in harm's way, to save a group of children.

Part two of "Zombie Hunter"; an investigation into the killing of police officers; and an egg farmer, who knowingly sold bad eggs, is spotlighted.

A Texas oil Ponzi scheme is examined; part three of "Zombie Hunter"; and an update on Joey Buttafuoco.

"Zombie Hunter" continues, featuring an interview with the infamous man's ex-wife. Also featured: an investigation about hacking into nanny cameras; a profile of Heidi Fleiss, known as the Hollywood Madam; a look at how police hunt down sex offenders.

Featuring a former Georgia judge, who betrays the law; an in-depth look into the case of a woman convicted of murdering her husband with a stiletto heel; and a look at a former lottery official, who scammed the system.

Featuring a man, accused of killing his wife, who remains at large; an update on Joey Buttafuoco; an interview with the family of a sorority girl, who was found dead in her burning apartment; and an investigation into home security systems.

A look at a woman serving more than 60 years in prison for murdering her husband to collect on his life insurance, a case that was not solved for three years, and further updates on Joey Buttafuoco.

The widow of an Illinois police officer talks about her husband's death; a Baptist evangelist is convicted of video voyeurism.

A former police officer is accused of killing his wife; Matt Doran reports on a group of international non-profit bikers, who help wounded children; and a woman's account of how she survived a bank robbery.

Part one of a series that investigates a woman who shot two of her husbands, but was only convicted of killing one of them. Also: a look at "Woodlawn Jane Doe", whose murder remains unsolved, 40 years after it occurred.

The disappearance of a military wife and mother is spotlighted. Also: featured: the story of a man who married a woman serving a life sentence and built a shine for her in his home; and a look at Spokane, Washington's Police Department.