Wk10: The Mastermind

On one day there was one mastermind that craved ALOT of money. His identity is a mystery. He always go into bank heists with the mechanics he makes. The police always wonder why he gets away. But one time he was on a heist at the Industrial and Commercial Bank of Japan, The richest bank in the world. He was going in casually but at one point he went into the vault fully armed. He killed about an estimated 20 SWAT units and 50 police units. He ran in the vault and got 1 Billion Yen. That is about 15 Million dollars. But where would we hide it all?