seeing how the texas courts had handled ruben's case, richard turned to investigative reporter, lise olsenfor help. lise reported on crime and corruption at the "houston chronicle." >> i got a tip that a private detective, who i later learned was richard reyna, had interviewed this eyewitness and that he had recanted. i was very skeptical. because there are a lot of people on death row that have innocence claims and a lot of times they are fabricated claims. it is very unusual for a case to rest on such limited evidence but with someone in texas sentenced to death based on the wrong information. >> lise would begin investigating ruben's story, and in the process, come face to face with the man who sent ruben to death row, sam millsap. ♪ ♪ (dorothy) toto, i've a feeling we're not in kansas anymore... (morpheus) after this, there is no turning back. (spock) history is replete with turning points. (kevin) wow, this is great. (commentator) where fantasy becomes reality! (penguin 1) where are we going? (penguin 2) the future, boys. the glorious future. (vo) at&t and directv are now one- bringin