sarah sandrik talked with the doctors who found dahl. >> this the hillside where a family spotted michael dhhl slumped over a rock. it's 30 yards from the trail but rangers believe other people may have walked past him because his clothes blended in with the terrain. >> walking and i saw something move. i saw it's a person. >> david green and family called for help, staying by his side they say he had obvious injuries and was barely able to speak but they recognized him from missing flyers posted around the park. >> we knew we shouldn't move him he looked hypothermic. so we had to keep him warm not move him very much. and keep his spine still. >> he is expected to live. >> rangers are still trying to piece together how he was hurt but they do know the uc santa barbara student was hiking with three friends when somehow tumbled down. several teams from across the state looked for him and then stayed to search for clues. >> some of his property is on a hillside. and we're trying to locate the property to determine what might have led to injuries. >> but rangers and the green family are thank

sarah sandrik talked with the doctors who found dahl. >> this the hillside where a family spotted michael dhhl slumped over a rock. it's 30 yards from the trail but rangers believe other people may have walked past him because his clothes blended in with the terrain. >> walking and i saw something move. i saw it's a person. >> david green and family called for help, staying by his side they say he had obvious injuries and was barely able to speak but they recognized him from missing flyers posted around the park. >> we knew we shouldn't move him he looked hypothermic. so we had to keep him warm not move him very much. and keep his spine still. >> he is expected to live. >> rangers are still trying to piece together how he was hurt but they do know the uc santa barbara student was hiking with three friends when somehow tumbled down. several teams from across the state looked for him and then stayed to search for clues. >> some of his property is on a hillside. and we're trying to locate the property to determine what might have led to injuries. >> but rangers and the green family are thank