The is a yakuza group based in Yamaguchi, Japan."Police of Japan 2011, Criminal Investigation : 2. Fight Against Organized Crime" , December 2009, National Police Agency It is a designated yakuza group and Yamaguchi Prefecture's largest, with an estimated 30 members.
History The group was formed in 1948 as the in Shimonoseki, Yamaguchi by Koichi Goda, then a member of an old yakuza clan, the Kagotora-gumi. The Goda-gumi was renamed the Goda-ikka in 1968."1993 Police White Paper Chapter 1 : The Actual Condition of the Boryokudan", 1993, National Police Agency It was registered as a designated yakuza group under the Organized Crime Countermeasures Law in July 1992."List of designated boryokudan groups under the Organized Crime Countermeasures Law", 2 August 2011, The Kochi Prefectural Center for the Elimination of Violence
Kanji Nukui became its six-generation president in 1994. In October 2009, following his retirement, Makoto Suehiro became the seventh-generation president."The 7th President announces the succession, The Goda-ikka, The Prefectural Police on red alert" , 21 October 2009, Yamaguchi Shimbun
Description
Based in Shimonoseki, Yamaguchi, the Goda-ikka has known offices in two other prefectures."2010 Police White Paper Chapter 2 : Furtherance of Organized Crime Countermeasures", 2010, National Police Agency
It is the largest yakuza group in Yamaguchi Prefecture, followed by the Yamaguchi-gumi. As of 2008, about 64% of yakuza members in Yamaguchi Prefecture belong to the Goda-ikka."2008's First Shunan City Police Department Conference Proceedings", 2008, Yamaguchi Prefectural Police
Since 1996, the Goda-ikka has been a member of an anti-Yamaguchi federation, the Gosha-kai, along with three other Chugoku-based organizations, the Kyosei-kai, the Kyodo-kai, the Asano-gumi, and the Shikoku-based Shinwa-kai."The Fourth Kyosei-kai", 20 February 2008, Matsue Joho Center
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