The Justice Department inspector general found that FBI officials made “serious performance failures” in their efforts to surveil former Trump campaign aide Carter Page.

Though Michael Horowitz did not find “documentary or testimonial evidence” of severe political bias, there were “at least 17 significant errors or omissions” in the FBI’s Foreign Intelligence Surveillance Act warrant application. The FBI also relied heavily on the unverified Steele dossier, Horowitz found, which could have skewed the intelligence community’s investigation into alleged collusion between President Trump and Russia.