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Forty Years of Silence: The Dead Lawyer's Safe Deposit Box and the Code Nobody Was Supposed to Crack
When an Omaha estate attorney cracked open a sealed safe deposit box in the mid-1970s, he expected the usual dusty paperwork and maybe a forgotten bond or two. Instead, he found something that's been baffling amateur cryptographers ever since: a stack of handwritten letters in a code nobody can quite crack. Somebody went to extraordinary lengths to hide something — and after four decades, we're finally asking what.