Dr. James Wan, a physician from Georgia, has confessed to using Bitcoin (CRYPTO: BTC) in a plot to hire a hitman to kill his girlfriend. The plot was foiled due to an incorrect wallet address. This case highlights a worrying pattern of cryptocurrency misuse, with cryptocurrency-related crime seeing a significant surge over the past four years. The U.S. Department of Justice (DOJ) is strengthening its crackdown on illegal activities in the digital asset sector.