The Twilight Zone

A prisoner, Grady Finch, who insists on his innocence discovers that he can't be killed. He survives multiple execution attempts and his attorney eventually manages to get him released. Finch is elated, but as he emerges he confesses to his attorney that he was really guilty...and then he is finally killed as a statue of Nemesis, the Goddess of Vengeance, falls on top of him.