A former troublemaker sits on death row for killing an elderly couple. A team of journalists, attorneys, and ex-law enforcement make a case for his innocence.

A drug dealer confesses to killing a Delaware store clerk, but is his confession truthful?

Prosecutors accused a college student of being a cold-blooded killer. Appeals attorneys uncover a dark secret he is keeping.

When a Philadelphia home burns down with two boys inside, their father is found guilty of murder in three separate trials. But was the right person convicted?

A Louisiana teen with disabilities becomes the youngest person on death row. Later, the discovery of hidden interviews cast new light on his confession.

In Texas, a jury convicts a 17-year-old with a violent past in a drug deal gone wrong, but a misidentified bullet may unravel the case.

The brazen killing of a state's witness in Philadelphia leads police to an alleged hitman. But, despite his checkered past, he insists he's not the murderer.

Bite marks on a murder victim's body leads to a mailman's conviction in two separate trials -- but DNA evidence tells another story.