Nozomi Kiryu killed her mother and carved up her corpse in 2018
TokyoReporter
Suspect wrote to the girl online, 'If you stay at a hotel, I'll pay you'
Suspect said, 'I did it to satisfy my sexual desire'
Victim told police that his mother attacked him 'all of sudden'
Woman lived in Tokyo's Setagaya Ward
Police believe the suspect targeted the couple's residence on three occasions
Boy told police, 'My parents attacked me while I was sleeping'
Since opening in 2013, estimated revenue totaled 8.87 million yen
Suspect allegedly fondled the body of a woman in her 30s inside the Keio Inokashira Line last month
Case is being treated as a suicide or the result of an accident or foul play