afterward, and then it still never really sank in until you get a little older and you think how precious life is and what really could have happened. >> oh, my gosh. >> it's another chilling scene, this time on the slopes of park city, utah. a 12-year-old boy dangles from a chair lift 30 feet in the air while witnesses stand helpless below. >> we were coming up, and first thing, we heard a scream, and we looked up. >> vaughn grew up skiing in the utah mountains, familiar with the winding trails and steep terrain. for him the chair lift is a peaceful break, a chance to relax between runs. but his normally carefree ride. abruptly turns to horror when vaughn and his family face a boy in a desperate struggle. >> at that time we didn't know what was going on. why he was struggling so bad. >> it's a sight vaughn has never seen.