decapitated. >> i interviewed the lusks only knowing wesley's account of what had happened that night to brian luskd when mr. lusk described his son's body having almost been decapitated, i was shocked. >> so we go to the icu, and, of course, it's black in the icu except for this one bright room, and they're doing cpr on him. and it was our son. >> he loved soccer until he found out about snowboarding. >> and he liked basketball, too. >> while stoltz claims their son, brian, started the fight, the lusks stand by a very different account. >> it came out during the trial, the bouncer on the stand said out of nowhere stoltz sucker punched our son brian, and then there was a fight. and i know that brian was losing the fight and that one of his friends, that was a little guy, jumped on stoltz's back and stoltz just shook him off and brian told him to stay out of it, and i guess brian got the best of stoltz then. >> but both sides agree that later on stoltz returned to the scene of the fight with a serrated kitchen knife. >> how similar is that knife from the son that killed your son? >> we think it's cl