Man is believed to have died between May and September
TokyoReporter
Suspect told police, 'I did it due to work stress and sexual desire'
Suspects held victim for ¥800,000 ransom
Ayumi Kimura died due to suffocation, police say
Bird evaded 9 officers for an hour, police say
Case could be tied to 5 similar incidents
Power outages experienced for 800 homes; 1 injury reported
Suspect also likely consumed drugs in holding cell, cops say
Suspect denies charges, claims no murderous intent
Woman in her 20s called police