The investigation into the 2010 shooting death of Wall Street millionaire John Bender, who was killed in his exotic home in Costa Rica. His wife, Ann, is charged with the crime, but she claims she is innocent.

A report on a woman who was acquitted in the 1992 killing of her husband in Florida, but was charged with the attempted murder of her son in 2011 after he was shot in the neck - with the same gun - in Nevada.

An investigation into the death of an entrepreneur who was blown up in his car.

A former middle school athlete accuses a teacher of abuse.

15-year-old boy goes to a dance and never returns. Teen killers keep a secret for 41 years – until one of them cracks. Richard Schlesinger investigates.

Former reality TV producer on trial for murdering his wife in 2010 speaks with "48 Hours" and turns the camera on himself for a look at life inside a Mexican prison

An ex-Marine, a secret life and a missing girlfriend -- was it murder? Peter Van Sant Investigates.

An ex-wife guns down her former husband -- did she break after being abused, or was it cold-blooded murder?

A young woman, an alcoholic, thought she found help and a safe place -- what she found was a killer. Maureen Maher investigates.

Todd Winkler, a former fighter jet pilot, claims he was defending himself when he stabbed his wife to death with scissors.

The daughters of a businesswoman who was gunned down look for her killer.

A California couple is shot dead, a daughter's body found burned in a wheelbarrow - after seven years investigators think they have solved the case, but a courtroom bombshell changes everything.

"48 Hours" investigates the mysterious death of a tech executive and his last night with an exotic beauty on his yacht -- captured on video

Accusations that a millionaire health supplement distributor hired a hit man to kill his model wife of seven years.

A Texas man tells Dr. Phil he’s desperate to find his missing ex-girlfriend. 48 hours later, he tells police something different. Where’s the truth? Tracy Smith investigates.

A bright college student lured into the world of bondage and domination by a friend. She said no -- and didn’t survive the night. Was it murder? Troy Roberts investigates.

Was an alleged religious cult responsible for a young bride’s death? "48 Hours"' Troy Roberts investigates.

A day care worker convicted of killing a toddler recants her confession.

The murder of an Aspen, Colo., heiress produces many suspects.

A reality show producer gets 12 years in prison for killing his wife in Mexico – a crime he told "48 Hours" he didn't commit. Is it over? Troy Roberts reports.

Help cops solve a 20-year-old case. A young woman killed, her family brutally stabbed – someone out there knows something ... is it you? Erin Moriarty reports.

A family murdered, the husband’s on the run posing as a New York Times reporter. The true story behind a new Hollywood movie.

Two wives die in freak accidents 17 years apart. One man was married to both women. Is he just unlucky or does he know more than he’s telling?

Ashley Fallis' New Year's Day death was initially ruled a suicide, and the case was closed after Evans police investigated the incident in 2012. Evans Police Chief Rick Brandt reopened the case in April 2014 after receiving previously unheard witness accounts and claims that officers mishandled the investigation.

A successful wife dead from nicotine poisoning. Her genius husband beat "Jeopardy!" -- can he beat a murder rap? Erin Moriarty investigates.

A wife says she shot her husband in self-defense. Police say she’s a killer. Who's correct? "48 Hours" correspondent Peter Van Sant investigates. This week's "48 Hours" begins with a surprising twist – the verdict is revealed in the first few minutes of the show. Correspondent Peter Van Sant explains why.

A Florida mother claims she saw the murder of a friend in a dream. Is she clairvoyant or is she a killer? Peter Van Sant investigates.

CASE UPDATE: A son is determined to prove his father, a doctor, killed his mother, a noted scientist. Will a jury believe him? Correspondent Susan Spencer reports.

She was murdered at 23. Five suspects and cops couldn’t arrest anyone. It was the perfect crime for 34 years--until now. Correspondent Peter Van Sant investigates.

Tried a third time for killing his wife, a wealthy businessman vows he’s innocent. Will a jury finally believe him?

A Florida man's questionable conviction in a 1989 murder may be an example of what can happen when investigators disregard the venerable British mystery writer's caution. This Saturday, "48 Hours" correspondent Erin Moriarty reports on the case of Crosley Green. There is new evidence that Green may have been wrongfully convicted of the murder of 22-year-old Charles "Chip" Flynn more than 25 years ago. Green is currently serving a life sentence in Florida. Prosecutors and investigators in this case have faced allegations that they manipulated facts to fit their version of the truth - that Green committed the crime.

A "48 Hours" interview with the wife of a millionaire shot dead turns the case upside down. Is there more to the story? Peter Van Sant updates the case.