A watchdog group is escalating its battle with the Justice Department over the FBI’s refusal to turn over files on Ashli Babbitt, the United States Air Force veteran shot and killed during the Jan. 6, 2021, Capitol riot over the certification of President Joe Biden’s victory over former President Donald Trump. Judicial Watch, claiming a “cover-up,” on Friday filed a suit in federal court claiming that the FBI has twice refused to comply with Freedom of Information Act demands for any files it has on Babbitt and her husband Aaron. The FOIA lawsuit was filed with the U.S. District Court...