FBI Director Christopher Wray looks on as he testifies before a Senate Judiciary Committee hearing entitled "Oversight of the Federal Bureau of Investigation," on Capitol Hill in Washington, U.S. August 4, 2022. Federal Bureau of Investigation Director Christopher Wray told lawmakers Tuesday that he is "extremely concerned" about TikTok's operations in the U.S. "We do have national security concerns at least from the FBI's end about TikTok," Wray told members of the House Homeland Security Committee in a hearing about worldwide threats. "They include the possibility that the Chinese government could use it to control data collection on millions of…