Little-Known FBI Unit Played Major Role in Disseminating Steele Dossier

Journalists gather outside the headquarters of Orbis Business Intelligence, the company run by former intelligence officer Christopher Steele, on Jan. 12, 2017 in London, England. Leon Neal/Getty Images

News Analysis

A little-known FBI unit played an outsized role in allowing controversial claims by a former British MI6 spy about Donald Trump to reach the highest levels of the FBI and State Department.