Seth Bossung, Andy Jessen and Adam Palmer remain missing and are presumed dead after the avalanche on Monday.
Seth Bossung, Andy Jessen and Adam Palmer remain missing and are presumed dead after the avalanche on Monday.
Colorado avalanche experts share what might have gone wrong before three backcountry skiers died in an avalanche.
Officials say a group of backcountry skiers triggered an avalanche on Monday in an area known as The Nose.