**UPDATE - Denver Police say they may have found Rounds, but they cannot completely confirm that it is him as of Monday morning. **
Timothy Rounds went for a walk with his white German Shepherd, Ranger, but never returned.
Rounds was last seen in the area of 1st Avenue and Sheridan Boulevard around 12:30 p.m. Sunday.
The 59-year-old has black hair, brown eyes and a mustache. If you see him, call Denver Police at 303-913-2000.
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