

What would motivate a man to brutally stab and drown his wife and the mother of his children? Scott Falater can't answer that question because he has no memory of doing so, claiming he was sleepwalking at the time.

Nancy Seaman never denied killing her husband Robert with a hatchet. The question is, did she plan it or was the murder a desperate attempt to save her own life after what she claims was three decades of physical and emotional abuse?

Scott Amendure thought the Jenny Jones Show was the perfect place to reveal to his friend Jonathan Schmitz that he had a crush on him. Three days later, Schmitz shot Amendure to death, but was it mental illness or homophobia that made Schmitz snap?

Dr. Jack Kevorkian thought it was an act of mercy to help over 130 terminally ill patients die a peaceful, pain-free death. Michigan prosecutors said it was murder and spent years trying to get a jury to agree with them.