American Justice

When a woman is shot to death, investigators write it off as a hunting accident. But police discover that the woman's husband had taken out a huge amount of life insurance on her before her death.

A look at the case of Marty Tankleff, who gave a partial confession to the murder of his parents, recanted it, but was convicted. Attorneys say they've found new evidence that could exonerate him.

A look at the case of Carrie Culberson, a cheerleader who vanished in 1996. Her boyfriend was convicted of murdering her, and his father and the police chief were accused of covering up the crime.