Linn Allen Snyder, 44, of Council Bluffs, Iowa, was last seen on September 3, 2006, riding his black Harley Davidson motorcycle and has not been heard from since. He has a heart condition that requires medication; his wallet, cell phone, and medications were left at home. He was reported missing on September 9, 2006, to the Pottawattamie County Sheriff's Office.

Searchers have been unable to locate either Linn or his motorcycle, and investigators say they have found no signs of foul play. Because of his medical condition and the unexplained circumstances, his case is classified as endangered missing. Authorities are asking for any information that could help locate him.

If anyone knew Linn, saw him or his motorcycle around September 3, 2006, or has information about his whereabouts, please contact the Pottawattamie County Sheriff’s Office or submit a tip to the Iowa Department of Public Safety’s Missing Person Information Clearinghouse.