Anti-Trump Dossier Source Must Explain His Need for Classified Information Ahead of Trial: Judge

Russian analyst Igor Danchenko arrives at the Albert V. Bryan U.S. Courthouse before being arraigned in Alexandria, Va., on Nov. 10, 2021. Chip Somodevilla/Getty Images

A key source for the anti-Donald Trump dossier needs to explain why he needs to use classified information in his upcoming trial, a judge ruled on Aug. 30.

Igor Danchenko, who authorities say provided information for the dossier compiled by ex-British spy Christopher Steele, is slated to go on trial later this year on five charges of lying to the FBI about the information.