Part 9/15:
This investigation was initiated following a referral from CIA Director William R. Burns, who flagged concerns related to Brennan's push to include the unsubstantiated Steele Dossier in the 2016 Intelligence Community assessment about Russian interference. The dossier, compiled by former British spy Christopher Steele and funded by Clinton and Democratic entities, contained largely unverified, partisan allegations and should have been subjected to rigorous vetting—something the declassified review suggests was overlooked.