Brief-lived branch of the MetropolitanPolice and the Royal Irish Constabulary which operated against the IrishFenians in the early 1880s. It was headed by Superintendent "Dolly" Williamson of the Met and EdwardJenkins?, of the RIC.
See SpecialBranch, which the SpecialIrishBranch was soon renamed.
-- ChrisLehrich? - 20 Jan 2005