"The sheriff’s department will pay a $10,000 fine and will have to sort through old applications to identify people who were eliminated from consideration because they were not U.S. citizens"
http://www.denverpost.com/2016/11/21/denver-sheriff-department-wrongful-hiring-practices/
http://www.denverpost.com/2016/11/21/denver-sheriff-department-wrongful-hiring-practices/