Related Clues:

• Mr. Green's game
• Whodunit board game
• Movie based on a board game
• This line or the next
• Mustard and Plum game
• Mrs. Peacock's game
• Footprint or thumbprint, perhaps
• Detective's discovery
• Puzzle part
• Whodunit plot element
• Answer's opposite
• Crossword puzzle?
• Torch
• Solving aid
• Fingerprint, say