The mystery deepens in the case of missing hiker Sheryl Powell. Her husband, Joe Powell, says he and his 60-year-old wife arrived at a remote camp site in Bristlecone Pine Forest in central California Friday. He says as soon as they found the spot where they wanted to camp, he went to move their Jeep. He says he was gone for only 5-7 minutes. When he returned, he says, Sheryl was missing. He says he has no idea what happened to her and that she vanished along with their dog, Miley.