The FBI “cannot disclose the cause of death” of U.S. Capitol Police officer Brian Sicknick, after The New York Times and other news outlets either retracted or updated reports claiming he was killed by being hit with a fire extinguisher during the Capitol riots on Jan. 6. FBI Director Christopher Wray responded to a question from Sen. Chuck Grassley (R-Iowa) during a Senate hearing on Tuesday about whether the agency has determined Sicknick’s cause of death. Grassley noted “conflicting reports” about his cause of death and whether there is a homicide investigation. “There is an ongoing investigation into his death,”...