Officers on alert following a $25,000 fireworks theft in Somerset arrested a group of Twin Cities men in June after they arrived in the middle of the night outside a St. Croix County fireworks store in trucks allegedly packed with tools to commit a burglary. St. Croix County prosecutors charged the men, St. Paul residents Trimell C. Chamberlain, 30, and Walter Davis, 36, along with Minneapolis residents Robert Fleming, 45, and Jerry Harris, 27, with possession of burglarious tools as party to a crime and trespassing.