Related Clues:

• Whodunit necessity
• Literary element
• Garden area
• Lead-up to a coup
• Intrigue
• Whodunit plot element
• Builder's site
• It may be hatched
• Incentive
• It may thicken
• What paranoid people see everywhere
• With 38-Down, common device on 'The Twilight Zone'
• Machinate
• Building site
• Conspiracy