Suspect told police, 'I got pleasure in seeing the woman's surprised look'
TokyoReporter
Capsules were collected as the suspect had bowel movements, police said
Police are treating the case as the result of foul play or a suicide
Suspect told police, 'After my daughter told me that she did not go to school, we got into a fight'
Officers found the suspect and the woman in a parking lot for a shopping center in Tsukuba City on Wednesday night
Third-party committee will investigate whether the boy was bullied, board of education said
Suspect told police, 'I got turned on'
Suspect said, 'I was exhausted from child rearing'
Suspect also accused of using the victim's bank to withdraw funds from her account
Suspect grabbed the boy from behind in an apartment corridor in April, police said