 This group mainly operated in the County Armagh and mid-Ulster areas.The Pat Finucane Centre, in collaboration with an international panel of inquiry headed by Professor Douglass Cassel (formerly of the Northwestern University School of Law), has linked the Glenanne gang to 87 sectarian killings directed against (usually upwardly mobile) Catholics.According to Martin Dillon, Somerville's name was on an RUC Special Branch list of paramilitary suspects but despite this, no effort was made to remove him from the UDR.