An inmate's dad makes a plea to save his son from execution and explains how he's forgiven his son for hiring a hit man to murder his own family.

Tonight 20/20 examines the mysterious death of a woman - ruled a suicide by police - in the midst of the wrongful death civil trial against her boyfriend's brother.

The reunion of Howard Burack and Doug Rausch, twins who didn't know they were separated until they were adults.