Suspect told the third victim, 'I’ll support you if you'll be my mistress'
Upper body of the teacher had received several stab wounds, police said
Due to the coronavirus pandemic, many bars in the area that one suspect typically receives protection money from have shut down
Suspect said, ‘I was shocked so I fled’
Yoshitaka Morito used the truck to kill two highway cleaners in May
Takahiro Aoyagi worked as a teacher for a company that operates cram schools
Suspect said, 'We got into a quarrel about his frequent drinking'
Aoi Hori, 20, is alleged to have used a knife to fatally stab Miku Yamada, 19, on Sunday
Photograph posted on Twitter showed the front glass of the train was shattered