Caleb Moore 's Facebook page is carrying messages from fans . NEW : Caleb Moore 's brother also had an appearance in the X Games . Caleb Moore died a week after a snowmobile crash in the X Games . The crash has raised new safety concerns about the games . ESPN , which broadcasts the X Games , says it will conduct a thorough review .
NEW : Caleb Moore 's brother also had an appearance in the X Games . Caleb Moore died a week after a snowmobile crash in the X Games . The crash has raised new safety concerns about the games . ESPN , which broadcasts the X Games , says it will conduct a thorough review .