FEDERAL BUREAU OF INVESTIGATION

The Federal Bureau of Investigation conducts background investigations and security clearance adjudications for presidential nominees, White House staff, and senior positions across the intelligence community. These investigations are not required by law - they are a practice established by President Eisenhower and governed entirely by executive agreements that any administration can modify or bypass. The FBI's role is formally subordinate to the White House: the Bureau initiates background work only at the White House's request, and the scope of any investigation is set and controlled by the White House Counsel's Office, not the FBI. The Senate has no legal authority to direct the FBI to investigate additional leads or expand its scope.

This section documents how background investigation and security clearance practices have functioned across three administrations - where the standard process was followed, where it was modified, where career adjudicators were overruled, and where the process was bypassed entirely. It covers: the standard SF-86 process and what it does and does not investigate; security clearance tiers from Confidential through TS/SCI; the 30+ clearance overrides documented in the Trump first term including the Kushner case; the Kavanaugh supplemental investigation and how the White House controlled its scope; Biden-era practices; and the Trump second term departures including the transition refusal to sign the standard pre-inauguration FBI agreement, the January 20, 2025 blanket TS/SCI memorandum, the March 2025 halt of FBI background checks for White House staff, the revocation of 53+ clearances targeting political opponents and former officials, and FBI Director Patel's waiver of polygraph requirements for his own appointees while directing polygraphs at career staff. All findings are sourced to primary White House documents, Senate Judiciary Committee records, FBI policy documents, and verified investigative reporting.