Government officials found the body after observing a foul smell in the residence
TokyoReporter
Suspect loaded the fluid into a syringe beforehand, police said
As of the end of July, police had 3,347 unidentified corpses on file for Tokyo
Suspect told police, 'Since I was under the influence of alcohol, I do not know if I did it'
Suspect does 'not recall' the matter, police said
Sakaguchi said, 'I won't do it again'
Three suspects made the victim's death appear to have been an accidental drowning, police said
One woman living in Sumida Ward was swindled out of 2.1 million yen, police said
Maya Takahashi allegedly stabbed Ryogo Kumagai, 22, in more than 20 locations on his body
Suspect told police, 'I did it to release stress'