Related Clues:

• Put-up job
• Conspiracy
• Whodunit's essence
• Sneaky plan
• Fraudulent activity
• Systematic plan
• Bait-and-switch, e.g.
• Mark on a map
• Sneaky trick
• Secret scheme
• Connivance
• Clever tactic
• Red herring
• Collaborate sneakily
• Tricky tactic