A former Loretto Hospital executive accused of helping orchestrate a large-scale COVID testing fraud scheme pleaded not guilty Monday in federal court in Chicago. A former Loretto Hospital executive accused of helping orchestrate a large-scale COVID testing fraud scheme pleaded not guilty Monday in federal court in Chicago. CHICAGO (WLS) -- A former Loretto Hospital executive accused of helping orchestrate a large-scale COVID testing fraud scheme pleaded not guilty Monday in federal court in Chicago.