The National Police Agency said Japanese police arrested 54 people last year for involvement in roles such as callers at bases in Thailand, Cambodia, the Philippines and Malaysia, an increase of four from the previous year. Criminal organizations are refining their tactics, using generative artificial intelligence to impersonate police officers and carry out increasingly sophisticated scams. In June, the agency stationed a liaison officer in Thailand for the first time to combat fraud. It is also rushing to bolster ties with neighboring nations.