Kubys First Task News Today

>> and they said, look, we know theres no money to pay you, but hes an innocent guy. would you take the case? so i said yes. >> kubys first task was to talk with that witness. his name is luis montero. >> luis montero offered proof that johnny did not commit the crime. but would the court agree? luis montero is about to tell a harrowing story. coming up -- >> all of a sudden i hear a commotion, screaming. >> did you see him go onto the platform? >> when "dateline" continues.