An 82-year-old Carroll County man at the center of a Silver Alert has been found dead.

82 year old Donald Hickman, Sr., had been missing since Sunday and was found dead in his business.

Officials said he died of natural causes.

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A Regional Silver Alert has been declared.

The Carroll County Sheriff is investigating the disappearance of an adult from Camden, Indiana. Camden Indiana is located approximately 18 miles south-west of Logansport, Indiana.

Donald Eugene Hickman Sr. is an 82 year old white male, 5 feet 5 inches tall, 160 lbs., with short gray hair and hazel eyes.

He has vision in only his left eye and has a glass eye in his right eye socket, as well as tattoos on both arms, one of which is a picture of a knife.

Donald Hickman was last seen at 1:00 pm Sunday, March 10, 2013 and is believed to have been in the vicinity of East Main Street in Camden, Indiana.

Donald Hickman is believed to be in danger.

Donald Hickman was last seen wearing a sports shirt, knit pants, and black shoes.

Donald Hickman may be disoriented and require medical attention. He may be alone or traveling in the company of other persons. If you have any information on Donald Eugene Hickman Sr., contact the Carroll County Sheriff by calling 765-564-2413.