Related Clues:

• One might snitch to a constable
• Informer went quickly round to back of nick
• Informer from northern state? Southern, actually
• Spy that's a nuisance down under
• One hunted fittingly lost head in grass
• Annoy (colloq.); informer
• He gives the game away? Bother
• Spy sees six leaving Norwegian port
• Pollen at last reaches chest to cause irritation
• Roderick Random showing up informer
• Bug found in new chest
• Get to civilisation at last on rescue boat
• Grass from drug agent being reported
• Nettle or grass
• Rat found in new ship