Sean O'Callaghan

Born

1954-01-26

Died

2017-08-23

Birthplace

Tralee, County Kerry, Ireland

Biography

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.