Suspect told police, 'I killed my children'
TokyoReporter
Suspect said, 'I don't know if my finger actually touched the soy sauce bottle'
Osaka police launched a manhunt to track down the fugitive on Monday
Deceased man closely matches the description of an individual witnessed at the scene of the stabbing
Boy said, 'I had no grudge against the victimized company'
Autopsies are scheduled to be conducted on Monday
Suspect said act was driven by a need 'to satisfy my sexual desires'
Girl later died at a hospital
A doctor testified that approximately 37 grams of sand were found in the victim's stomach
