Taki said, 'I used cocaine to reduce stress'
TokyoReporter
Suspect used a knife in both cases, police said
Suspect represented Japan at the World Cyber Games in Singapore in 2005
Anita Alvarado: 'I do not live in the past'
Victim's mother asks, 'Why was she killed?'
'Go ahead, start the fire and die,' the suspect reportedly told his girlfriend
Suspect told police, 'I killed my son and I, too, wanted to die'
Suspect repeatedly fondled her buttocks during the Koga Lantern festival, police said
Suspect works at same nursery as victim, police said
Room showed no signs that a struggle had taken place, police said