Tokyo police have arrested the head of a fraud group believed to be linked to hundreds of fraud cases in Japan, along with six related people. The seven men, including the 40-year-old head, Munemasa Takahashi, allegedly took four bank cards from a woman in her 80s in Niiza, Saitama Prefecture, and defrauded her of ¥4 million in cash around Nov. 8, 2024. The woman was deceived through a telephone call from a person posing as a Japanese Bankers Association official, saying that her money was