Examination of the girl's smartphone by police revealed a Twitter exchange between her and the suspect
TokyoReporter
Tax evasion was done by the creation of fictitious advertising expenses
One of the perpetrators wielded a bat in striking the victim in the head
Suspects sprayed victim with a tear gas-like spray, police said
Police are attempting to determine how the suspect obtained the illegal drugs
No other persons were injured in the incident, police said
Police said, 'In preparation for 2020, we would like to carry out a purification drive'
Results of the investigation indicated that Nobuaki Ishihara did not intend to kill Yuri Igarashi with stimulant drugs last year
Male suspect strangled victim with a belt, police said
'I'm sorry,' the suspect wrote in an email the day after the incident