Maureen Maher

A boxer is shot and stabbed by her husband but refuses to go down for the count. "48 Hours" contributor David Begnaud reports.

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

A young mother is dead and identical twin brothers are the suspects. Did studying TV crime shows help them come close to pulling off the perfect crime? "48 Hours" correspondent Erin Moriarty reports.

A mother's brutal murder reveals shocking family secrets. Tracy Smith reports.

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

One woman, two husbands dead under strange circumstances - could she be that unlucky? "48 Hours" correspondent Erin Moriarty investigates.