Related Clues:

• Person moving against traffic?
• Drug prefix
• One pulling in pushers
• Deal breaker
• Stupor: Prefix
• Dealbreaker?
• Prefix with trafficking
• Informer went quickly round to back of nick
• Something fishy up? Here's member of drug squad
• Informer from northern state? Southern, actually
• Drug agent managed to turn over clubs
• Spy that's a nuisance down under
• One hunted fittingly lost head in grass
• Officer hurried up to American drug agent
• Annoy (colloq.); informer