PAULDING, MICH. —  The multi-day search for a missing teen in the Paulding, Mich., area ended April 26, after his body was found in the woods near his home, according to authorities.

Officials with the Ontonagon County Sheriff’s Department and County Emergency Management made the announcement last Monday afternoon.

No information regarding the circumstances of how Cam Besonen, 17, died, or who found the body, was released in the announcement.

Besonen, whose family said was autistic and non-verbal, was last seen April 23. They said he was wearing a long-sleeve shirt and jeans, clothes that don’t offer much protection in cold weather, when he went missing, accordign to Michigan authorities.

The three-day search for Besonen involved more than 400 volunteers, along with local, state and tribal agencies, who battled rain, sleet and snow, and freezing temperatures. 

Authorities said there also was an air search using aircraft from the U.S. Coast Guard, Michigan State Police and Houghton Wing Civil Air Patrol.

A memorial service was held May 1, at the Ewen-Trout Creek School on Airport Road in Ewen, Mich. A GoFundMe account, set up by a friend of the family, has been set up to help the family of Besonen.