. >> julian as sauj is add meyereded and reviled. why and what's the impact? plus we're going through a process of this evolution anyway. >> something went wrong later on. >> brandon bunch had been a member of the crew until a few weeks ago. he reluctantly left the job to spend more time with his family. >> i do everything as a unit. i was close with them. they're like my brothers. it's hard to explain but when they take your soul, my son was my life. >> david caldwell's son, robert, was just 18 when he started. he asked his dad for a check to cover the initial training. >> that's been the hardest thing for me to bear, that i helped him along, and he really wanted to do this, you know. maybe if i guided him into something else, i wouldn't be talking to you today. >> the last time david saw his son was two nights before the fire. >> we were getting in the car, and before he closed the door, i said, robert, don't be a hero, and he just smiled back to me. he got in his truck, and that's the last thing i said to him. >> david also lost his son, travis. a metal wor