Part 1 of 2 – David Sneddon, a 24-year-old Brigham Young University student from Logan, Utah, disappeared on August 14, 2004, while hiking Tiger Leaping Gorge in Yunnan, China, after completing Mandarin language classes in Beijing. A devout Mormon, Eagle Scout, and experienced hiker fluent in Korean and Mandarin, David was described as smart, outgoing,...