Sean O'Callaghan
- Profissão
- Representação
- Nascimento
- 26 de janeiro de 1954
- Local de nascimento
- Tralee, County Kerry, Ireland
- Falecimento
- 23 de agosto de 2017
Biografia
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.