Related Clues:

• Word in many a Nancy Drew title
• Detective's lead
• Whodunit game
• Crossword item
• This line or the next, e.g.
• Game with Miss Scarlet and Professor Plum
• Bit of help
• Fingerprints, e.g.
• Holmes quest
• Criminal game?
• Sleuth's aid
• Sleuthing aid
• Opening music
• Footprint or loose thread, perhaps
• __ park