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 millionaire surrounded by wealth and death is charged with killing a friend 15 years ago -- in an exclusive interview with "48 Hours", his attorney vows to fight back

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.