Body was found in garden of parents’ residence last week
TokyoReporter
Police seized about 600 items from the residence of Yoshiyuki Okaniwa last November
Suspect said, 'I did not intend to rape'
During the investigation leading up to her arrest, Saki Sudo said she 'knew nothing' about her husband's death
Couple's son said, 'Although I couldn’t see his face because it was dark, I think he was alone'
Suspect said, 'I didn't intend to kill the woman'
All three suicides took place in April
Police are investigating the circumstances that led to the incident
Suspect was found with a container of kerosene inside his vehicle, police said
Suspect denies the allegations in both cases, police said