Japanese Embassy last week urged citizens to strictly adhere to local laws
TokyoReporter
Hideko Tomiyama suffered 20 stab wounds across her body, police said
One victim suffered severe head wounds
Suspect has declined to comment on allegations of attempted murder
One patient said he 'abused his position as a dentist'
Girl belongs to the group known as 'Toyoko Kids'
Victim reported that one of the men sounded like a foreigner
Suspect also filmed the act for 10 minutes
Two were visiting Japan on a short-term stay
Suspect said, 'I was desperate for money'