Our card this week is Robert "Bob" Christian, the 4 of Spades from Wisconsin.

In the Fall of 1977, Bob was just weeks into his freshman year at UW-Madison. He was a math whiz with a knack for computers and a big heart. At 18-years-old, there was no telling how far he’d go.

But no one ever expected to be asking the question… Where did he go? Yet here we are almost half a century later, with that burning question and just a string of bizarre clues that leads many to believe an infamous serial killer could be to blame for his disappearance.

Today, Robert “Bob” Christian would be 65 years old. At the time of his disappearance, he was 5’10” and 210 pounds. He had brown eyes, shaggy brown hair, and wore eyeglasses. You can find his photo in the show notes. If you know anything about Bob's disappearance or movements around Wisconsin in September of 1977, please call Detective Tyler Pointon directly at 608-355-3205. You can also call the sheriff’s office’s non-emergency line at 800-377-1195. Or, if you prefer to remain anonymous, you can reach Sauk County Crime Stoppers at 1-888-TIP-SAUK.

View source material and photos for this episode at: thedeckpodcast.com/robert-bob-christian

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Robert "Bob" Christian (4 of Spades, Wis...