Rep. Yvette Clarke’s deputy chief of staff came into the office on a Saturday in December 2015 and caught the New York Democrat’s part-time IT aide, Abid Awan, rummaging through the congresswoman’s work area with new iPods and other equipment strewn around the room, according to a House document and interviews with Hill staff. Wendy Anderson told Abid to get out of the office, the document said. She told Capitol Hill investigators that she soon suspected Clarke’s chief of staff, Shelley Davis, was working with Abid on a theft scheme, multiple House staffers with knowledge of the situation told The...