A man convicted of murdering a woman in her upscale Austin, Texas, home tells his story for the first time.

A man who was recently acquitted of the murder of his ex-girlfriend's 12-year-old son tells his story; interview with the victim's mother and key players in the case.

A daughter's determination to learn more about her mother's mysterious death leads to the reopening of a 30-year-old cold case.

Florida, 2009: Quinn Gray, a homemaker, calls her husband Reid and tells her she's kidnapped, she doesn't know where she is and three men want $50,000 to release her. The Grays are wealthy, so Reid has no problem getting the money together quickly. She calls him repeatedly with money drop locations but the directions are so rushed and chaotic that no money is exchanged. Quinn's mom takes over and drops the money in a parking lot. Three random guys pick it up and call 911 so they don't get into trouble. The money drop is a bust. But, as investigators dig and dig, a sighting of a kidnapper on a security camera leads to a bomb blast of a revelation.

When a former hockey player discovers his wife murdered in their home, his daughter says she saw a burglar.

The investigation into the disappearance of a mother of three in Colorado reveals she was living a double life.

When shots ring out at a home in Saco, Maine, Rachel Owens is found shot in the head. Police launch a complex investigation that involves three states, all holding pieces to the puzzle. Andrea Canning reports. Dennis Murphy reports.

In the early morning dark in San Antonio, Texas, a husband shot his wife, saying he mistook her for an intruder. Was this a terrible accident or a case of deliberate murder? Andrea Canning reports.

A woman continues searching for answers after the investigation into her daughter's murder goes cold. Keith Morrison reports.

When a fire is set to cover a murderer's tracks in Bergen County, N.J., for the third time in a year, authorities suspect a serial killer may be on the loose.

The battle between a wife and a mistress for one man's heart leads to a deadly car chase.

An unexpected revelation may change the fate of the man convicted in the case of a young woman found dead in the Kentucky warehouse where she worked.

A luxury car salesman receives a visit from a beautiful client. It turns out she is not interested in buying a car but in planning a murder. Andrea Canning reports on her twisted scheme.

When film executive Gavin Smith vanishes, Los Angeles detectives search for clues amid reported sightings and suspicious circumstances. The case takes a dramatic turn when Gavin’s wife reveals painful secrets. Keith Morrison reports.

After a father goes missing, his body is found in a field several miles away. Investigators start putting the pieces together and uncover multiple suspects – even within his own family. Andrea Canning reports.