Prosecutors admitted there were 'inappropriate points' in the interrogation
TokyoReporter
Knife was found in the girl's bedroom along with her body and her boyfriend's
Suspect said, 'I don't remember'
Operation raked in ¥800 million in revenue over past decade
Incident has caused immediate disruptions to the rail network
Suspect's smartphone included a video clip showing the girl's thighs
Suspect said, 'I had no intention of killing her'
Victim was stabbed and slashed approximately 50 times in the face, chest and torso
Copper has an estimated value of 380,000 yen
Police are currently rushing to identify the three individuals