The Shadow over Innsmouth - H. P. Lovecraft

During the winter of 1927-28 officials of the Federal government made a strange and secret investigation of certain conditions in the ancient Massachusetts seaport of Innsmouth. The public first learned of it in February, when a vast series of raids and arrests occurred, followed by the deliberate burning and dynamiting-under suitable precautions-of an enormous number of crumbling, worm-eaten, and supposedly empty houses along the abandoned waterfront.