josh mankiewicz: eight months after diren dede's death, markus kaarma went on trial for his murder. > diren dede's death, marcus kaarma went on trial for his murder . seeking justice for their son, diren's parents traveled from germany to a montana courtroom where they were befriended by the same group of kids who had loved their boy. >> a lot of us got the chance to meet his parents when they came for it, and they were really, really awesome. they were a lot like diren. >>'s parents watched as the man who shot their son face the charge of deliberate homicide. kaarma's defense team, led by paul ryan -- that was outright excessive. >> there was a man who was fearful. >> ryan let out a basic narrative. kaarma was the victim of burglars and reasonably thought that diren was another one, and dangerous. >> he thought that he was dealing with drugs seeking type individuals that were erratic and -- who knows how they are going to respond. >> he told the jury his client had reason to believe that diren dede was armed and ready to attack . >> because he felt his life was threatened by the move