Suspect said, 'I didn't know he was blind'
TokyoReporter
Girl did not suffer any visible external injuries
Victim was found lying unconscious on her back in their residence on Monday
Suspect said, 'I thought he was just sleeping'
Suspect was found with 3 knives in her possession
Suspect said, 'I intended to use it myself or sell it at bars and clubs in Tokyo'
Police apprehended Rikiya Morita in Niigata Prefecture on October 7
Suspect is accused of suffocating his girlfriend to death
Suspect said, 'I was told she was 19 years old'
Board of Education said, 'We are truly sorry for the inconvenience caused'