FBI headquarters in Washington DC
The J. Edgar Hoover FBI Building in Washington, DC.
  • An FBI veteran said his superiors suppressed investigations of Trump, Insider can exclusively reveal.
  • "Are we going to do public corruption or not?" the whistleblower told Insider.
  • He said his boss ordered him to stop investigating Giuliani and the Trump White House.

A veteran FBI counterintelligence agent says his supervisor told him to stop investigating Rudy Giuliani and to cut off contact with any sources who reported on corruption by associates of former President Donald Trump, according to a whistleblower complaint obtained by Insider.