Attorney General Jeff Sessions’ past meetings with the Russian ambassador to the U.S. have scrambled where Democrats and Republicans stand on the need for recusals and special prosecutors in politically charged investigations.

Democrats were outraged Thursday after reports about Sessions’ meetings in July and September with Ambassador Sergey Kislyak seemed to contradict his assertion in his January confirmation hearing that he had not interacted with Russian officials during the campaign. Democratic congressional leaders quickly began calling for a special prosecutor to take over any investigation into Russian hacking.