The Suishin-kai was a Japanese

yakuza , also known as , are members of transnational organized crime syndicates originating in Japan. The Japanese police and media, by request of the police, call them , while the ''yakuza'' call themselves . The English equivalent for the ter ...

gang based in

Nagasaki is the capital and the largest city of Nagasaki Prefecture on the island of Kyushu in Japan. It became the sole port used for trade with the Portuguese and Dutch during the 16th through 19th centuries. The Hidden Christian Sites in the ...

. The gang, affiliated with the

Yamaguchi-gumi is Japan's largest '' yakuza'' organization. It is named after its founder Harukichi Yamaguchi. Its origins can be traced back to a loose labor union for dockworkers in Kobe before World War II. It is one of the largest criminal organizations i ...

,The Australian - Nagasaki mayor's yakuza killer to hang
/ref> Japan's largest yakuza syndicate, came to prominence in April 2007 when its former

underboss Underboss ( it, sottocapo) is a position within the leadership structure of certain organized crime groups, particularly in Sicilian, Greek, and Italian-American Mafia crime families. The underboss is second in command to the boss. The under ...

(then demoted to Captain), Tetsuya Shiroo, shot and killed the mayor of Nagasaki,

Iccho Itoh was a Japanese politician who served as the mayor of Nagasaki from 1995 to 2007. Itoh was fatally shot by Tetsuya Shiroo, a member of the ''yakuza'', on 17 April 2007 and died the following morning. Early life Kazunaga Itō was born on 23 Augu ...

. The killing is believed to have been the result of a personal grudge on the part of Shiroo, and was not authorized by the Yamaguchi leadership or by Shiroo's colleagues in the Suishin-kai. After the killing, the Suishin-kai faced intense police and public scrutiny as investigators raided their Nagasaki offices in the search for evidence. A few days later, the Suishin-kai announced that it would voluntarily disband, and most of its members are now affiliated with other groups.

References

Organizations established in 1995 1995 establishments in Japan Organizations disestablished in 2007 2007 disestablishments in Japan Yakuza groups based in Kyushu Yamaguchi-gumi {{Japan-crime-stub