Read: Report on Russia probe released by DOJ watchdog; no evidence of political bias found

Robert Mueller - Fast Facts

WASHINGTON — The Justice Department’s inspector general on Monday released a more than 400-page report on the circumstances that led to the probe into Russian election meddling and its possible ties to Donald Trump’s campaign.

The report, the culmination of more than 170 interviews and a review of more than 1 million documents, found the FBI was justified in opening its investigation into ties between the Trump campaign and Russia. Officials noted investigators didn’t act with political bias. However, it also noted 17 “significant errors or omissions” in surveillance applications for Trump campaign aide Carter Page.

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Inspector General Michael Horowitz in March 2018 launched an investigation into whether officials with the Justice Department and the FBI complied with legal requirements and internal policies while obtaining warrants from the Foreign Intelligence Surveillance Court to monitor Page's communications. Officials were concerned he might have been targeted for recruitment by the Russian government.

Page was never charged and has denied any wrongdoing.

Read the report:

The Associated Press contributed to this report.