The Mississippi Bureau of Investigation has issued a Silver Alert for a missing Pike County man.Decoreius Lamonte Lee, 29, of McComb, was last seen at about 10 p.m. Wednesday in the 2000 block of Joel Lang Road in Pike County. Lee was wearing a camouflage tank top, blue gym shorts, and white Nike shoes, authorities said.Le is described as 5 feet, 10 inches tall and weighs 150 pounds. He has black hair and brown eyes. Family members said Lee suffers from a medical condition that may impair his judgment. Anyone with information about Lee's whereabouts is asked to call the McComb Police Department at 601-684-3023.