duncan a native found himself in the line of fire when he asked oscar killin if he was aware of his brother'svement in the ku-klux- klan. >> your daddy and my daddy was in the -- i swear on the bible gentlemen that's the way i've heard it all these years. >> reporter: duncan ignored the comment but responded outside the courtroom. >> well, i had to restrain myself a little bit i suppose. >> how do you respond to it. >> i don't. >> three years after three civil rights workers disappeared, a judge delivered the sentence. >> count one guilty of manslaughter. >> reporter: edgar ray killin guilty of three counts of manslaughter. a lesser alternative to murder that could still put him behind bars for life. in the case of rita bonder, it's a door closing in the murder of her husband. >> there's still people who may choose to look aside and not see the truth. >> reporter: the jury acted 41 years after the killings became the emblem of the so called summer of freedom. voter rights activists, shwarner, cheney and gillem went to investigate the burning of a church. after being released they were run off