Magistrate Patrick B. Byrne Magistrate Byrne was appointed to serve Cerro Gordo County in August of 2009. He graduated from the University of Northern Iowa in 1981, and from Drake University Law School, with Honors, in 1983. Mr. Byrne was the assistant County Attorney for Carroll, Greene, Crawford, Audubon, Shelby, Guthrie and Sac Counties with the Child Support Recovery Unit. He was an assistant public defender for Story County, and the Chief public defender for Cerro Gordo County. He has been in private practice since 1997. Mr. Byrne is a member of the Iowa State, Cerro Gordo and Second District Bar Associations. He is also an associate member of the Iowa Trust Association.