Witnesses were not allowed to testify at the court hearings. He also testified during the Clinton impeachment hearings. A committee might call for public hearings on important bills. It might come from the record of testimony compiled in committee hearings. The proceedings consisted of 24 individual hearings. In 1960, there were U.S. Congressional hearings regarding UFOs. The children's testimony during the preliminary hearings was inconsistent. Hughes has testified before multiple congressional hearings on protecting children online. This caused controversy within the organization and the CIA congressional hearings of the 1970s. There was eventually a series of U.S. Congressional hearings. These hearings culminated in votes for impeachment. Cummings received praise following the congressional panel hearings on steroids in 2008. These documents were fully investigated during the Senate Hearings of 1977. Leary was one of several expert witnesses called to testify at these hearings. She chaired historic hearings on government secrecy.