Possible Clues:

• Sounds as if one knows how to get it but it's not worth much
• Lauder specialty
• Asked to go to speak, one's followed by a dog
• Hunt à la hounds
• Hint for a hound
• Pacino film, ''--- of a Woman''
• Security's evidence of concert smokers
• It may be picked up in the woods
• Tracking aid posted to an auditor
• Trail of a sort