Which high profile dealer was prosecuted as a result of Paul Grimes being an informer?
Paul Grimes (criminal):  His evidence has led to successful prosecutions against high-profile dealers such as John Haase and Curtis Warren. Curtis Warren: Curtis Francis Warren (born 31 May 1963) is an English gangster, who as Britain's most notorious drugs trafficker was formerly Interpol's Target One, and once listed on the Sunday Times Rich List.
Curtis Warren