Sean O'Callaghan
- Туған күні:
- 1954-01-26
- Қайтыс болған күні:
- 2017-08-23
- Туған жері:
- Tralee, County Kerry, Ireland
Өмірбаяны
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.