UPDATE: Mr. Roberg has been found and is doing fine, according to the Yavapai County Sheriff's Office.
Roberg was last seen on March 30, 2016. He has Alzheimers and is on blood pressure medication.
His green 1997 Subaru, AZ license AAP1460, 2-door passenger vehicle is also missing.
If you have any information, you are asked to contact the Chino Valley Police Department at 928.771.3260 or their local law enforcement agency.