Related Clues:

• Trails can give awareness on the radio
• They may be picked up by dogs
• Factors in wine competitions
• They hang around in coffee shops
• Nasty smells
• Smells of money, say
• Gets wind of American cash being loaded on board ship
• Distinctive odours, as evident around Italian's capital
• Becomes aware of meaning when listening
• Memory triggers, often
• They may be foul
• Real stinkers?
• Dump outputs
• Café lures
• Gets wind of ship carrying cargo of American cash