Can a childhood memory of a friend's murder solve a 55-year-old case? Correspondent Erin Moriarty goes inside the investigation of what authorities say is the oldest cold case ever prosecuted in the U.S.

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

A car crash leaves a young Air Force vet dead - but her boyfriend alive. The crash didn't kill her, what did? Susan Spencer reports.

A high school dancer and aspiring model is found dead. Did the killer videotape the murder? Peter Van Sant reports.

Two women shot dead by a soldier - can the Army get justice against one of its own?

An unfaithful husband is shot dead - do his wife and her best friend have a clue? Erin Moriarty reports.

A beautiful wife and mother is suddenly dead. Would a twin really know if his brother was a killer? Erin Moriarty investigates.

A series of disappearances and murders of women and girls dating back four decades. Now, a break in the case. Peter Van Sant reports.

An examination of whether convicted killer Ryan Ferguson murdered Missouri sports editor Kent Heitholt in 2001. His accuser, Charles Erickson, who was also convicted of the crime, now claims Ferguson is innocent. Can "48 Hours" help him get his life back? Erin Moriarty reports.

Convicted of murder, "48 Hours" interviews were evidence in her trial. Will she be put to death? Maureen Maher reports.

The hunt for convicted killer George Wright, who murdered war hero Walter Patterson in 1962 and then escaped from a New Jersey prison in 1970. Susan Spencer reports.

A mother torments her daughter's killer, can she get him to confess? Richard Schlesinger reports.

A convicted killer's son believes his dad is innocent, but can he find the evidence to prove it? Troy Roberts reports.

A brat, a Batman collector, filthy rich and dead - who killed Miami hotel heir Benji Novack? Troy Roberts reports.

A married couple are assassinated in Wisconsin, but questions arise as to whether they were the intended targets. Peter Van Sant reports.

An honor student shot dead, an innocent victim of a gang war. An investigation into drugs, guns, gangs and the battle for Chicago. An investigation into drugs, guns, gangs and the battle for Chicago. Maureen Maher and Armen Keteyian report.

A former high-school valedictorian is charged with the murder of his mother in Michigan in 2011. Tracy Smith reports.

Accused killer Jodi Arias told all to "48 Hours" ... now her words are evidence in her life-or-death trial. Maureen Maher reports.

A girlfriend wears a wire to help police find the killer of her lover's wife. Maureen Maher reports.

A son helps a new detective find his father's killer. Troy Roberts reports.

A powerful politician's girlfriend is shot dead. Did he love her to death? Richard Schlesinger reports.

A special report on the manhunt and capture of the Boston Marathon bombing suspects

New evidence in the case of George Smith who vanished on his honeymoon cruise. CBS News senior correspondent John Miller reports.

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

An actress is dead and her preacher boyfriend prays for answers. Maureen Maher reports.