Transportation bureau said, 'We have not been informed of an arrest, but if it indeed happened it is truly inexcusable'
Yamaguchi-gumi was taken to a hospital in Kohoku Ward where he was confirmed dead after undergoing a surgical procedure
Kyoko Wilson, 31, was confirmed dead at a hospital after being stabbed at the Tokyo Family Court on Wednesday
Suspect was apprehended at Hibiya Park on suspicion of attempted murder
Suspect told police, 'I had money-related problems and I stole to repay debts'
Son suffered from muscular dystrophy
Suspect denies allegations, telling police, 'I did not intend to kill'
Body was buried in snow from the torso down, police said
Suspect denies the allegations, telling police, 'I didn't steal'
Suspect told police, 'I wanted money to play around'