Related Clues:

• 'The plot thickens!'
• “Well, well!”
• "Now I'm on to you!" exclamation
• 'Now I'm onto you!' exclamation
• 'Mystery solved!'
• ''I've found you out at last!''
• ''Just as I suspected!''
• 'I have it!'
• "Presto!"
• 'The light has dawned!'
• 'Can't fool me!'
• ''I have an idea!''
• Word associated with a light bulb
• Puzzle-solver's shout
• Revelation reaction