Jeffrey Dale Nichols (6 of Diamonds, Utah)

Early one June morning in 2004, Jeffrey Nichols told his girlfriend he was meeting his ex-wife in a shopping center parking lot to buy a set of golf clubs. But his ex-wife told police they were getting together at a McDonald's for a family meeting. No matter which version is true, one thing is for certain: After the morning of June 8th, 2004, Jeff was never seen again. And not only does his story include an honest-to-god, real-life burn book – we also found a clue that had been sitting in plain sight for the past 20 years that just might prove someone is lying