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Robert Mardian testifies before Senate Watergate Committee. He says G. Gordon Liddy carried out plans with President Nixon's authority and CIA help. Mardian says Liddy bragged about staging a break-in at Daniel Ellsberg's psychiatrist's office.
H.R. Haldeman, John Ehrlichman, Robert Mitchell, and Robert Mardian all found guilty in Watergate cover-up trial.
CBS news special report: The Watergate Verdicts.