Shinichi Shimoyama (; born February 27, 1961) is a Japanese fraudster, gangster, robber and serial killer who together with Chinese-Malaysian accomplices Wong Yee sun (; born December 14, 1968) and five accomplices, was Committed five robberies and killed three people in Shiga, Gunma, Tokyo and Shizuoka between October and December 1993. Series of robberys and murders perpetrated by the Shimoyama's gang came to be known as the Serial robberys and murders incident by Japanese and foreigner gang () or Metropolitan Designated Case No. 121 (). Both men were convicted for their respective roles in the killings, and each was sentenced to death.
Biography Little is known about Shimoyama's upbringing. Shimoyama was born on February 27, 1961.
Even before committing the serial murders, he had repeatedly engaged in insurance fraud with several individuals who would later become his accomplices, swindling a total of 3,750,000 yen.
Formation of a gang and murders Shimoyama met Seishi Yoshida and Takashi Mori while incarcerated at Himeji Prison between March 1988 and November 1989, and formed a gang after his release. After forming the gang, Shimoyama recruited the Chinese-Malaysian assassin Wong Yee sun, introduced to him by his friend a gangster Toshio Yoda. Subsequently, Kunihiko Matsuzawa and Fumio Suzuki joined his gang, bringing the total number of members to seven. This gang committed five robberies and killed three people. Ultimately, all members of the gang were arrested between March and June 1994.
List of attacks by gang
Date of attackVictim nameWeaponMethod of attackAccomplice(s)Amount and valuables stolenLocationsOctober 8, 1993Unnamed two peopleKnifeThreatenSeishi Yoshida10,480,000 yenNumazu, ShizuokaOctober 27, 1993Yukio Oyama (53)KnifeStabbingSeishi Yoshida, Takashi Mori, Wong Yee sun, Toshio Yoda1,600,000 yen, 12,400,000 yen in fireproof safe and WatchYōkaichi, ShigaDecember 10, 1993Unknown (56)KnifeStabbingWong Yee sun, Fumio Suzuki, Kunihiko MatsuzawaN/AAdachi, TokyoDecember 12, 1993Unknown (40)HandgunShootingWong Yee sun90,000 yenTakasaki, GunmaDecember 20, 1993Tadashi Kobayashi (59)Hammer and KnifeBludgeoning and StabbingWong Yee sun, Fumio Suzuki1,500,000 yen in fireproof safeAdachi, Tokyo
Sentence Seven gang members were put on trial, and all of them were found guilty.
Shinichi Shimoyama - Sentenced to death by three murders and robbery. Wong Yee sun - Sentenced to death by three murders and robbery. Fumio Suzuki - Sentenced to life sentence by one murder and attempted murder. Kunihiko Matsuzawa - Sentenced to 13 years imprisonment by attempted murder. Seishi Yoshida - Sentenced to life sentence by one murder and one robbery Toshio Yoda - Sentenced to 8 years imprisonment by one murder Takashi Mori - Sentenced to 12 years imprisonment by one murder
Wong Yee Sun, who had pleaded guilty, bowed and said 'Thank you very much' on hearing the sentence.
Shimoyama and Wong remain detained at the Tokyo Detention House, awaiting execution.
See also William Bonin - American serial killer who committed murder and rape with four accomplices Chijon family - South Korean gang of serial killers and cannibal Dean Corll - American serial killer who committed murder and rape with two accomplices Desmond Domnique Jennings - American serial robber and killer Kiyotaka Katsuta - Japanese serial robber and killer Orlík killers Czech gang of serial kilers Piranha Family - Japanese gang of serial killers Snowtown murders - Australian gnag of serial killers List of Japanese serial killers
References
External links (in Japanese) ２００６年１２月８日