Maureen Maher

Todd Kendhammer says his wife was killed in an accident -- a pipe flew off a truck and crashed into their car. Authorities say the scene was staged. "48 Hours" correspondent Erin Moriarty reports.

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 young mother is killed in her bed, her toddler unharmed. Unsolved for 40 years, how the unusual crime scene helped close the case. "48 Hours" correspondent Erin Moriarty reports.

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