Drugs were discovered by a customs official after arrival at Narita International Airport
TokyoReporter
Narumi Kurosaki went missing in France in December, 2016
NPA said, 'Members are voluntarily leaving because it is difficult to fund operations'
Examination of the girl's smartphone by police revealed a Twitter exchange between her and the suspect
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'