Columbia subject headings:
Eavesdropping--Ireland.
Electronic surveillance--Great Britain.
Electronic surveillance--Ireland.
Police--Complaints against--Ireland.
Harvard subject headings:
Eavesdropping--Ireland.
Electronic surveillance--Great Britain.
Electronic surveillance--Ireland.
Police--Complaints against--Ireland.
Princeton subject headings:
Eavesdropping--Ireland.
Electronic intelligence.
Espionage--Ireland.