Ōmuta murders
When the police arrested Mami the following day, she confessed to the killing of the other three victims.The police found the car containing the bodies of the three victims in the Suwa River in Omuta.Both Takashi and Takahiro were former sumo wrestlers, known respectively as Kyokuryūjin (旭竜神)[1] and Miikezan (三池山),[2] with the family name Ishibashi.Jitsuo insisted that he had committed the murders alone, but the police regarded Mami as the main offender."[3] On 27 March 2008, the Fukuoka high court also upheld the original sentence for Jitsuo and Takashi.