Several days later, on November 3, 1989, several Aum Shinrikyo members, including Hideo Murai, chief scientist; Satoro Hashimoto, a martial arts master; Tomomasa Nakagawa and Kazuaki Okazaki, drove to Yokohama, where Sakamoto lived.
At 3 A.M., the group entered Sakamoto's apartment through an unlocked door.