Topic: DRUGS - on March 5, 2007 at 10:12:00 AM CET
Informer role 'protected drug traffickers'
Some of Britain's leading heroin smuggling suspects were protected from police investigations because they were working as informers for Customs, the BBC has been told.
In one case in 2001, Foreign Office diplomats moved to secure the release of an informer held in Germany on a warrant from the Greek authorities.
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