By Patrick Ronan
The Patriot Ledger
QUINCY, Mass. — Federal investigators are working closely with state and local fire officials to help catch the person or people behind a recent string of suspicious fires in southeastern Massachusetts.
Since September, at least 15 fires have been set in unoccupied or abandoned buildings in communities south of Boston. Eight blazes have torched buildings in South Shore towns, including Quincy, Weymouth, Kingston and Hanson.
Fed. investigators help Mass. with string of arsons