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Newest Officer

Lisa Claeys

Officer Calvin Chang was sworn in this morning as the newest member of our department. Officer Chang is also the last officer to be hired by Chief Young, who's last day is today. Officer Chang will be attending the Iowa Law Enforcement Academy starting on Monday. Good luck and welcome!


Captain Rex Mueller named next Chief of the Sioux City Police Department

Lisa Claeys

Captain Rex Mueller was selected to be the next Chief of the Sioux City Police Department, effective 9-1-17 upon Chief Doug Young's retirement. 

Captain Rex Mueller began his career with the Sioux City Police Department in 1996.  Since that time, he has served in a number of positions including Patrol Officer, C.A.S.T. Officer, Crime Stoppers Coordinator, SWAT Entry Team Member, Accident Reconstructionist, and Field Training Officer.  He was promoted to Sergeant in 2004 where he served as the supervisor for the A.S.A.P. Unit and later supervised the Crimes Against Persons Unit in the Detective Bureau.  He was promoted to Lieutenant in 2009 and served as Watch Commander for the Watch 2 and Watch 3 uniform shifts.  In 2016 he was promoted to Captain and currently serves as the Uniformed Bureau Commander and S.W.A.T. Commander. 

We congratulate Chief Select Mueller on his appointment! 


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