UPDATE: Missing Sioux Falls Man Found

UPDATE: There's good news about a missing Sioux Falls man. Police say 83-year-old Duane Koller has been located and is safe. Koller had been reported missing overnight after he was last seen at his home around 5:00 PM Monday. Police sent word out shortly after 11am that he had been located.

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Duane 'DK' Koller, 83, has been missing since 5:00 PM Monday and the Sioux Falls Police are asking for your help.

Koller has shared the stage with his drummer son Jeff, and Jeff's bands Jukebox Zeroes and Rock n' Roll Damnation at events like Hot Harley Nights and Jam Against Hunger over the past several years, playing Johnny Cash's "Ring of Fire" among other songs.

Koller is 5'9", 170 pounds with grey hair and blue eyes. He drives a 2005 beige Buick LeSabre with South Dakota license plates NG9 309.

If you have any information, please contact the Sioux Falls Police Department.