Japan has recently seen a series of incidents in which police officers were attacked ... they've rolled out more protective gear, as well as equipment to prevent guns from being stolen.

making it difficult for Japanese police to determine the exact chain of command. Daisuke Tanaka, 48, is president of Asueito Advisory Inc., a company that analyzes electronic equipment.

With more Japanese elderly falling victim to scams, the police are considering limiting the amount of money that this vulnerable group can withdraw or transfer from automatic teller machines (ATMs).