
U.S. authorities arrested Master Sgt. Gannon Ken Van Dyke, accusing him of using classified information to place wagers on Polymarket tied to a raid to capture Nicolás Maduro in what appears to be the first criminal prosecution for insider trading on a prediction market. He has since been released and has publicly defended himself, saying "Army people don’t get the business stuff," a claim that may be used to argue lack of intent. The later federal charge of a Google employee for allegedly using nonpublic search data to profit on Polymarket suggests a pattern of cases drawing increased legal and platform scrutiny of prediction-market activity by U.S. personnel.
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