Arrests are part of a stepped up crackdown on unscrupulous host club operators in Kabukicho that regularly force female customers into prostitution
TokyoReporter
Suspect said that he has 'no idea' about the incident
Cause of death was asphyxiation, police said
Suspect told police, 'I was drunk and don't remember the details'
Suspect said, 'I saw an 80-year-old woman in front of me and I wanted to kill her'
Koichi Katayama: 'I did it'
Koichi Katayama is wanted on suspicion of murder
Tiphaine Veron vanished after she departed a lodge in Nikko City to go trekking on July 29, 2018
Suspect admits to allegations of attempted murder, police said
Police are considering the case to be either the result of foul play or an accident