5. Willie Sutton passed away in 1980, leaving behind a legacy shrouded in mystery and fascination. While it is difficult to ascertain Sutton’s exact net worth due to the covert nature of his criminal activities, estimates suggest that he accumulated a substantial amount of wealth during his lifetime. With the proceeds from his numerous successful bank robberies, Sutton is believed to have been a millionaire at the peak of his criminal career, making him one of the most successful and infamous bank robbers in history.