“Seven years ago, a political appointee in the first Trump administration approached U.S. immigration authorities with a request that alarmed career staffers: Scrub the immigration records of Rep. Ilhan Omar, then a newly elected Democratic lawmaker from Minnesota, for evidence of fraud,” the Washington Post reports.“That 2019 demand, detailed by three former immigration officials, struck staffers at the time as a highly unusual effort to wield federal power to dig up compromising material on a prominent critic of President Donald Trump and sitting member of Congress.”