Originally posted by the Voice of America. Voice of America content is produced by the Voice of America, a United States federal government-sponsored entity, and is in the public domain. Testimony by FBI's Wray Could Be Preview of Mueller Hearing Associated Press WASHINGTON - FBI Director Christopher Wray's appearance before a Senate committee could be something of a preview of the intense questioning special counsel Robert Mueller is likely to face in Congress the next day. Wray is set to testify Tuesday morning before the Senate Judiciary Committee, which is chaired by one of President Donald Trump's closest allies, Sen. Lindsey Graham. The South Carolina Republican has vowed to investigate the origins of the Russia investigation. Republicans are likely to spend time questioning Wray and Mueller about Peter Strzok, an FBI agent who helped lead the Trump investigation and exchanged anti-Trump text messages during the 2016 election with an FBI lawyer, Lisa Page.