A July 1973 subpoena dragged the Nixon administration's private recordings into the light, where prosecutors spent months marking up the evidence of a conspiracy.
The inner circle of the Nixon White House faced a trial while the government handled files on electronic surveillance that remained buried in task force archives.
John Mitchell and his associates attempted to bury the Watergate break-in under a mountain of lies, but the Watergate Task Force kept the tapes and transcripts to prove the perjury.
A president’s own voice became the evidence used to indict his inner circle for conspiracy, though the full scope of the obstruction remained hidden for years.
Ordinary citizens had their personalities scrutinized by government lawyers in a high-stakes effort to secure convictions against those who lied to hide a presidential crime.
Presidential secrets were guarded by claims of constitutional privilege while investigators scrambled for the legal precedent needed to force a sitting president to obey the law.
Prisoners of war were subjected to strict labor policies and civilians faced monitoring for "domestic disturbances" in records that catalog the Army's grip on the Northeast.
Axis spies and local collaborators were hunted through clandestine radio nets and intercepted cables in a surveillance dragnet that spanned the Caribbean and South America.
Thousands of New Englanders fell under the gaze of military intelligence divisions during World War II, their movements and loyalties cataloged in files now held in Washington.
Private conversations captured without consent between 1971 and 1973 were sorted by prosecutors seeking crimes beyond the Watergate break-in, though many names remain in the dark.
Private communications were snatched from the air and analyzed by federal agents to map out enemy organizations, a process that left target nations blind to the intrusion.
Witnesses risked their livelihoods and freedom to testify against a sitting president, their words captured in transcripts once held by the Deputy Special Prosecutor.
Informants and subjects of investigation were reduced to "problem areas" in files maintained by the Office of the Assistant Chief of Staff for Intelligence.