Sean O'Callaghan
Died: 23rd August, 2017Born: 26th January, 1954Age: 72Birthplace: Tralee, County Kerry, IrelandBiography: Sean O'Callaghan was a member of the Provisional Irish Republican Army, who from the late 1970s to the mid-1980s worked against the organisation from within as a mole for the Irish Government with the Garda Síochána's Special Branch.
