In 1981, after leaving the House Banking Committee, Hyde went on the board of directors of Clyde Federal Savings and Loan, whose Chairman was one of Hyde's political contributors. According to Salon.com, from 1982 until he left the board in 1984, Hyde used his position on the board of directors to promote the savings and loan's investment in risky financial options. In 1990, the federal government put Clyde in receivership, and paid $67 million to cover insured deposits. In 1993, the Resolution Trust Corporation sued Hyde and other directors for $17.2 million. Four years later, before pretrial investigation and depositions, the government settled with the defendants for $850,000 and made an arrangement exempting Hyde from paying anything. According to Salon.com, Hyde was the only member of the congress sued for "gross negligence" in an S&L failure.[8]

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As a member of the congressional panel investigating the Iran-Contra affair, Hyde vigorously defended the Ronald Reagan administration, and a number of the participants who had been accused of various crimes, particularly Oliver North.[9] Quoting Thomas Jefferson, Hyde argued that although various individuals had lied in testimony before Congress, their actions were excusable because they were in support of the goal of fighting communism.[10]

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While Hyde was spearheading the impeachment of President Bill Clinton in the Monica Lewinsky affair, it was revealed that Hyde himself had conducted an extramarital sexual affair with Cherie Snodgrass who was also married. Hyde admitted to the affair and attributed the relationship as a "youthful indiscretion". He was 41 years old and married when the affair occurred. Hyde said the affair ended when Snodgrass' husband confronted Mrs. Hyde. At the time, Snodgrass was also married and had three children.[13]