We look at the world of counterfeit artworks and forged celebrity autographs, including that of baseball star Ohtani Shohei. While fake products are rampant in online trading, shockwaves have hit public museums in Japan over suspicious paintings purchased for as much as several hundred thousand dollars. We conducted an exclusive interview with a German art forger at the center of the controversy, and he revealed his ingenious methods. We also talked to experts and victims to hear their insights, revealing how technology like AI and forensic tools is being used to combat the rise of counterfeits.