Victim was found collapsed atop a futon with more than a dozen wounds to his body, police said
TokyoReporter
Incident caused the line to be temporarily halted
Boy is believed to have died at least several days before the discovery, police said
Man said, 'I was planning to go to Fukuoka for volunteer work'
Officers pinned down the man at the scene after he began to act violently, police said
Man told emergency personnel, 'Once she stopped moving, I slit my throat'
Hoshino was convicted of murdering a police officer during a riot in Shibuya Ward in 1971
Suspect told police, 'I used the stun gun for home discipline'
Ichiro Yamamoto was the chairman of Keizai Kakumei Club
Suspect told police, 'I don't want to talk about it'