] What started as an April Fool's joke involving bad ] grammar landed seven people in jail Tuesday. ] ] Sturgis police arrested seven Sturgis men for placing ] more than 20 threatening letters on various businesses, ] schools, banks and at the post office. At least 12 signs ] were posted Monday morning. Another 20 were put up ] Tuesday evening, according to Sturgis police. ] ] The letters all read "All your base are belong to us and ] you have no chance to survive, make your time." 'All Your Base' Signs Land Seven in Court |