An anonymous reader quotes a report from Wired: The Department of Justice announced Thursday that it arrested Gannon Ken Van Dyke, an enlisted member of the US Army's special forces, for allegedly using "classified, nonpublic" information about the capture of Venezuelan president Nicolas Maduro to notch more than $400,000 in profits on Polymarket trades . A grand jury indicted him on five counts, including multiple violations of the Commodity Exchange Act. Van Dyke is the first person to be charged with insider trading on a prediction market in the United States. Lawmakers have been voicing concerns for months about the high likelihood that politicians and public servants could use nonpublic information to profit from trades on leading industry platforms like Polymarket and Kalshi, which have exploded in popularity over the past year. The arrest comes just weeks after Department of Justice prosecutors met with Polymarket about potential insider tradition violations.…