>> but just as seth claimed his prior guilty verdict doesn't match the truth, so, too, does the prosecutor. >> i was very disappointed, because i do believe that the evidence establishes that pablo aybar and seth penalver committed the crime. not guilty doesn't mean innocent. >> seth's co-defendant, pablo aybar is still on death row. in 2012 he wrote a letter to seth that raised questions for the victim's family. >> there's this handwritten letter that's full of rage from pablo aybar. it basically tells him, you're not a victim. man up. take responsibility for your actions. >> for deborah buoy, the letter and the video of the crime can only mean one thing. >> i know that seth penalver is