Former U.S. House Speaker Dennis Hastert leaves a federal courthouse in Chicago this fall after pleading guilty to charges related to a hush money scandal. Zbigniew Bzdak/Chicago Tribune/TNS via Getty Images hide caption

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Former House Speaker Dennis Hastert arrives at the federal courthouse for his arraignment. He is accused of crimes allegedly arising from an attempt to pay $3.5 million to someone from his days as a high school teacher not to reveal a secret about past misconduct. Charles Rex Arbogast/AP hide caption

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Then-U.S. Rep. Dennis Hastert greets a supporter in Yorkville, Ill., in August 2007, after he announced that he would not seek another term in Congress. Hastert was indicted May 28 on charges of evading cash-withdrawal reporting requirements and lying to the FBI, in connection with what the indictment described as $3.5 million in hush money slowly taken out and paid to an unnamed individual. John Gress/Reuters/Landov hide caption

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