The clue in the fridge.
A music video can also offer you clues, and give you a tutorial on how to identify them and understand their message.
Some are based on real-life stories!
To be sure, the genre of private eye is widely adored by almost every book lover. However, it was a tough job to list up the in-depth characterisation of ten detectives working behind the curtains but eventually I followed my own taste. Check out this page of TopYaps to explore that whether your super spy makes this list or not.