Authorities in Knox County and the surrounding area are on the lookout for a missing male teen juvenile. 16 year old Gavin Haas was last seen this past Saturday at the Vincennes Walmart withdrawing some money. He is described as a white male, about 6 feet tall with light brown hair and brown eyes and weighing around 140 pounds. He was last seen wearing gray sweatpants with a gray hooded sweatshirt and black shoes. He was also carry a black and gray Adidas backpack. Anyone with information as to he location should contact their nearest law enforcement authority or the Knox County (Ind) Sheriffs Department.