Mark James Berthelot, 38, was last seen Oct. 3 by his family.
He is a white male with blonde hair and blue eyes. Berthelot has his last name tattooed on the left side of his neck and a cross on his back with the names "Marquee" and "Lexus" integrated into the tattoo. Also, a tribal sun is tattooed on his upper back.
Anyone with information concerning his whereabouts is asked to contact the St. Mary Parish Sheriff's Office detective division at 384-1622 or 337-828-1960.