Millionaire Forrest Fenn hid a gold-filled chest somewhere in the Rockies and wrote a poem with cryptic clues. Tens of thousands searched for it and five people died trying. A story of obsession. "CBS Mornings" co-host Tony Dokoupil reports for "48 Hours."

See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.