The FBI used the Trump dossier to apply for a FISA surveillance warrant on Trump team volunteer Carter Page.

JAMES COMEY

FBI director

Comey signed three FISA applications to spy on Trump campaign volunteer Carter Page.

ANDREW McCABE

FBI deputy director

McCabe confirmed to the House Intelligence Committee that the FBI would not have been able to apply for the FISA warrant without the Trump dossier.

McCabe signed off on one of the FISA applications on Carter Page.

BILL PRIESTAP

Assistant director, FBI Counterintelligence Division

Priestap testified to the House Intelligence Committee that the Trump dossier was in its “infancy” when used for the initial FISA warrant application.

PETER STRZOK

Deputy assistant director, FBI Counterintelligence Division

Strzok opened a counterintelligence investigation in July 2016 based on information on Trump campaign adviser George Papadopoulos.