Drone locates missing climber presumed dead in the Himalayas When Scottish climber Rick Allen was scaling the world's 12th tallest mountain in the Himalayas and didn’t return, he was feared dead. It turns out, he had tumbled onto an ice cliff. A cook at basecamp spotted his backpack, near where he had fallen. Polish climbers operating a drone were able to locate him. Allen suffered cuts and frostbite, but is expected to be okay.