Cindy Sommer
When a seemingly fit and healthy married Marine drops dead, doctors believe it was a tragic accident. But when a second test reveals arsenic in his system, foul play is suspected.
More from Season 7
Episode 1
Ashley Humphrey
A teen bride gave her husband, a personal trainer, exactly what he wanted as a wedding gift. In July 2003, a Florida woman, who had charged that same personal trainer with assault, was found shot to death.
Episode 2
Larissa Schuster
In July 2003, a father, soon-to-be divorced from his estranged biochemist wife, fails to turn up for work. Police find his keys, wallet, phone and then body floating in tank of acid. What caused his killer to snap?
Episode 4
Mechele Linehan
A cold case involving an ex-stripper heats up when investigators revisit the 1996 shooting death of a commercial fisherman in Alaska.
Episode 5
Beth Carpenter
Investigators link the 1994 death of an odd job man to a highly respected lawyer, a fierce custody battle for a young child and a determined aunt.
Episode 6
Monique Johnson
When a policeman is murdered in September 2006, investigators are quick to arrest his troubled girlfriend, a deputy jailer. Was it cold-blooded murder? Or can she prove she killed him in self defense?
Episode 7
Susan Grund
When a prominent district attorney is found dead on his sofa, a family realizes that loyalty means nothing, but will the right person pay for the crime?
