Political consulting group Cambridge Analytica used Russian researchers and shared data with companies linked to Russian intelligence, a whistleblower told a congressional hearing on interference in the 2016 US election Wednesday. Christopher Wylie, who leaked information on the British-based firm's hijacking of data on millions of Facebook users, told a Senate panel he believes Russian intelligence services had access to data harvested by the consultancy. Wylie told the panel that Russian-American researcher Aleksandr Kogan, who created an application to harvest Facebook user profile data, was working at the same time on Russian-funded projects, including "behavioral research." "This means that in...