Investigations so far have revealed that the members, who are believed to be the culprits, joined two rental cars at a parking lot in Kanagawa Prefecture just before the incident.
In the investigation that followed, the members split into two cars and moved to Komae city, headed to the neighborhood of the site with one car, abandoned this car following the incident, and fled with the other car. was learned from interviews with investigators.
The abandoned car was found in a coin-operated parking lot near the scene, but there was no direct link to the incident. was left.
The Metropolitan Police Department is investigating the abandoned rental car as an attempt to delay the identification of the suspect. We are investigating the connection with a series of wide-area robberies.