Duane L. Halvorsen (75) passed away peacefully Thursday April 30, 2015 at Copper Leaf of Ripon with his children by his side. He became a police officer for the Milwaukee Police Department in 1962. He retired from the Milwaukee Detective Bureau in 1995. He enjoyed playing golf and fishing. He is survived by his son Gregg (Katherine) daughter Kristin (Kevin) Henderson Grandchildren Zachary, Aleksandr, Casey, Layne, Shannon (David), Brandon (Danielle) Great Grandchildren Rylee, Brayden, Gabriella and Lilliana and brother Drew Halvorsen. He was preceded in death by his mother, Dorothy and his brother, Darwin. Cemetery Service will be held Tuesday May 5, 2015 at 2pm. Woodlawn Cemerty Winona MN