In Mapo-gu, Seoul, Mr. A was arrested in flagrante delicto at a bank for attempting to deposit four forged promissory notes worth 200 billion won. Police are investigating Mr. A on charges including forgery and issuance of counterfeit securities, and he is suspected of trying to use a total of 800 billion won worth of forged promissory notes. The bank employee became suspicious because the amount on the promissory note was higher than the usual transaction level and requested verification of authenticity before reporting it to the police.