Police arrived at the scene four hours after the man made the call
TokyoReporter
Police are investigating the circumstances that led to the incident
Also arrested was a male acquaintance from Uzbekistan
Suspect said, 'I did it because I was struggling financially'
Suspect said, 'I thought we wanted to die together'
Saitama police found the skull of Kaho Miyamoto in the Saitama City apartment of Jun Saito on May 15
One foreign woman said, 'I'm going to live my life the way I want to'
Stab wound to the abdomen was found on the body
Suspects arrested in the case were likely planning to move the corpse, police said
Suspect said, 'I have no recollection of this at all'