Police are currently investigating the exact cause of death
TokyoReporter
By the time the murder took place, the mother's bank account had been virtually drained
Boy said, 'I was stressed out because I hated my father's daily violence'
Police later arrested three Chinese nationals in Nagano on day of robbery
Prosecutors said decision was made after 'considering the relevant evidence'
Agency said, 'We sincerely apologize for causing immense trouble'
During questioning, the suspect has declined to comment
Takanashi said, 'I deeply apologize for causing such a disturbance'
Suspect said, 'I found the card in the changing room'
