Suspect allegedly used a syringe to inject stimulant drugs, into the woman, aged in her 20s, with whom he was engaged in an extra-marital affair
TokyoReporter
Contraband has an estimated street value of ¥3.6 billion yen
Police found four pistols, one machine gun and 400 rounds of ammunition at the residence of a Matsuba-kai member in November
Suspects reportedly threatened victim, who later told police, 'Helplessly, I jumped off'
Body of Taka Hagiwara was found with a plastic bag over her head in the Tatara River on April 15, 2015
Woman, 57, was preparing to move to a new residence when she noticed the case was quite heavy and alerted police
Suspect told police, 'She was fooling around, and I got angry and stabbed [her]'
Suspect told police, 'I wanted to show [the weapon] off to many people and boast about it'
Keitaro Ikeda of Office M and B said: 'I got the stimulant drugs from a foreigner in Shinjuku Ward'
Suspects allegedly beat victim in head while holding a knife inside a karaoke parlor in Toshima Ward