- Japan's largest crime family has reportedly split into two rival factions
- The yakuza, Japan's answer to the mafia, are shrouded in secrecy but are influential across modern Japan
- Yakuza influence extends to politics, industry, construction and real estate
Jake Adelstein is an investigative journalist and special correspondent for the LA Times, The Daily Beast, and VICE News. He has been covering organized crime in Japan since 1993 and is the author of "Tokyo Vice," "Operation Tropical Storm: How an FBI Jewish-Japanese Special Agent Snared a Yakuza Boss in Hawaii" and the forthcoming "The Last Yakuza."
Tokyo (CNN)In August, Japan's largest crime group, the Yamaguchi-gumi, split into two main factions, potentially creating a gang war that may ultimately involve all 21 designated crime groups in Japan.