Salesman told police he mistakenly hit accelerator with vehicle in gear
Posts published by “Roland Shichijo”
Police suspect case is result of a feud over parking space in the lot
Girl was also trailed by suspicious individual, dashcam footage shows
Boy, 9, and 2 employees hurt in incident
Three suicide notes and stoves recovered from inside, police say
One employee smashed the screen of superior's computer after drinking at welcoming party
Woman grabbed suspect‘s hand after catching him in act
Suspect met girl, 17, through chat app Line
Believed to have been carrying packages from truck to sales office when accident happened
Suspect told police he 'wanted buy goods at idol group events'