Worker cutting grass found a skull on Friday
TokyoReporter
Police are treating the case as the result of foul play or an accident
Results of autopsies revealed that both persons likely died due to drowning
Police commented, 'We will take strict action based on the results of the investigation'
Suspect is married to the brother of the roommate, police said
Victim visited the suspect's residence for money collection, police said
Police plan to stream the film at railway stations in the future
Suspect said, 'While I was at a pachinko parlor, my father died'
Cause of death of the man is under investigation, police said
Police are treating the case as the result of foul play or an accident