Tsutomu Komatsuzaki was found collapsed inside the residence by his older brother on Monday
TokyoReporter
Suspect told police, 'I did it as a means of home discipline'
Suspect told police, 'I have nothing to say'
Police are treating the case as murder and abandoning a corpse
Security camera footage showed the suspect following the victim prior to the incident, police said
Masafumi Hijikata was drunk upon his apprehension early Tuesday, police said
Suspect told police, 'I targeted gold cards'
Suspect told police, 'I did it since I have no money'
Police believe the suspect planned a murder-suicide
Junichi Okabe previously completed a prison term for the rapes of 3 other women in 2012