A breakup, one last hug. Was a college student walking into her own murder?

All new: A mother battles to prove her son died an American hero. Peter Van Sant reports.

All new: She was a popular teen, her ex was a football star. Their breakup was intense -- and she's dead. Ever hear of breakup violence? You will. Tracy Smith reports.

A businessman faces his third trial for the murder of his wife, after the first two were overturned on appeal.

A young mother is dead and identical twins are the suspects. Did studying TV shows help them nearly pull off the perfect crime? Erin Moriarty reports.

An aspiring actress is brutally strangled. DNA was left all over the crime scene... leading police to a surprising suspect. Maureen Maher reports.

Former Indiana State Trooper David Camm, tried three times for killing his wife and their two children, speaks out as part of a 13-year "48 Hours" investigation

A teenager makes a discovery that could prove his mother's death was not suicide.

Two murdered teens, a 32-year search for justice and eight years of reporting by "48 Hours". Troy Roberts has the latest in the investigation.

Can a family find a young mother's murderer with help from a Facebook-savvy police officer?

A mother of three is found dead in a Colorado river. She had secrets -- did she name her own killer? Tracy Smith reports.

The untold final chapter of the amazing "Clark Rockefeller" story. The con man and accused killer faces off with Erin Moriarty in an all-new network interview.

A detective is haunted by the case of two women missing for 30 years. Now she’s hot on the trail of a killer -- can she catch him? Susan Spencer reports.

He says he cracked under pressure and falsely confessed to the rape and murder of his young cousin -- what will it take for Damon Thibodeaux to walk free?

A beauty queen, a rock musician and a cross-country hunt for a cold-blooded killer. Peter Van Sant reports.

A Florida sheriff's office may have solved the case of a college student who went missing 25 years earlier.

A heartbroken mother launches a one-woman psychological warfare campaign to taunt her daughter's alleged killer - but can she get him to crack? Peter Van Sant investigates.

Wives of a Pennsylvania Pastor Die in suspicious accidents. Was it coincidence or murder?

A lover is shot dead - will cell phone video taken in the aftermath be enough to clear or convict? Troy Roberts reports.

A Weight Watchers executive is murdered by her Wall Street lawyer boyfriend. Did his mother’s neglect 30 years ago push him to kill? Troy Roberts investigates.

A gang of bodybuilders hatch a plan to kidnap and kill wealthy people. Troy Roberts has the real story that inspired a Hollywood movie.

Sex, bondage, affairs and murder -- who killed a brilliant-but-feared Texas businessman?

An update on the Michael Skakel murder case involving the death of Martha Moxley in Greenwich, Conn., in 1975.

In the investigation of the murder of a one-time millionaire, both his ex-wife and son are suspects.

Did a bookie gamble away everything -- including his wife's life? Richard Schlesinger reports.