20/20 on ID

Taya Kyle shares the story of her marriage to U.S. Navy Seal Chris Kyle (``American Sniper'') who was murdered in 2013.

A shadowy figure emerges as a master manipulator after unrequited love turns into online taunts, then leads to murder.

A man tells police his girlfriend was abducted by an intruder who wore a wetsuit and blindfolded them using blacked-out goggles.

Two journalists are murdered on-air, and the killer's identity is revealed by the camera; later, a story emerges of a reporter whose promising career spiraled into disappointment, rage and a desire for revenge.

A psychic runs a long con on a lonely millionaire, presenting him with a child he believes to be his own and scamming him out of millions.

A kidnapper takes a newborn boy from a Chicago hospital and apparently returns him the next year; 50 years later, a DNA test concludes that he is not the stolen baby.

A movie shooting on a railroad bridge turns tragic when a train suddenly appears, leading to the death of a young crew member. A segment on celebrity catfishing of Brad Paisley and his wife.

While on vacation, a surgeon's girlfriend uses her telephone to record his frighteningly specific plan to murder his ex-wife.

A late-night driving lesson turns deadly for a woman and her daughter in what appears to be a case of road rage, then the truth emerges, revealing tangled relationships, mistaken identity and fear.

In Washington, D.C., four people are found dead in a mansion in the aftermath of a raging fire; a trail of cryptic messages reveals that the deceased family members and their housekeeper were taken hostage before being murdered.

Two teenage girls disappear amid their parents' divorce battle; their mother denies any involvement, but their father claims she knows more than she's letting on; the girls turn up nearly three years later.

Driver Ethan Couch plows into four people, killing them, then the teenager walks away from jail time after his defense team argues he is incapable of understanding the consequences of his actions due to his privileged upbringing.

A simmering feud among neighbors boils over into deadly gunfire, with the shooter claiming he felt his life was in danger.

Truck driver Oscar Ray Bolin is found guilty of murdering three women, but his wife, Rosalie, believes he's innocent and sets out to prove it.

An outspoken actress captures the attention of a powerful and dangerous drug lord, who then wants to meet her and give her the rights to his story.

When a wealthy entrepreneur is murdered in his bed, his wife says it was an intruder, but her sons accuse her of doing the deed; a jilted fiancée decides to get revenge.