Possible Clues:

• Drug dealer
• Type of cop on 'The Wire'
• Bust figure, informally
• D.E.A. agent, slangily
• Drug trafficker, informally
• Drug trafficker caught in Algerian port, shooting up
• Drug runner is part of ring in New Orleans, initially
• Member of US drugs squad managed to turn over company
• Pusher's pursuer, for short
• US slang for a drug enforcement officer