False evidence and faulty investigations are just some of the issues conviction integrity units must review to right the wrongs of the past.
You keep telling people you're innocent. All you get in reply is, "Yeah, we hear that a lot." At that moment, each assumed he or she would be found innocent, because a guilty verdict was just too ridiculous to fathom. It would be the stuff of horror movies. Fiction. Then the jury foreman said, "Guilty."
Susan Mellen, 59, was serving out a life sentence in California for the death of her ex-boyfriend. But that sentence was cut short when a judge threw out her conviction, saying there was strong evidence of her innocence.
Years from now we will know that we stood on the right side of history.
We live in an era when getting tough on criminals is seen as a way to fight crime.