You’ve probably heard about Brett Favre’s involvement in a welfare fraud scandal in his home state of Mississippi. The Hall of Fame quarterback is accused of accepting money intended for the poorest citizens of America’s poorest state, and using the money to fund a volleyball facility at his alma mater: the University of Southern Mississippi. But Favre’s role in that case only became known to investigators when they began looking into something else entirely: a little-known drug company in Florida that was promising to give the entire football world the miracle it needed around concussion science. Mark Fainaru-Wada investigates the real story behind Prevacus and its gunslinging investor.

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