Kamei Yuusaku refused to cooperate, not willing to say another word, even when Minamoto Tamako presented evidence to pressure him, he remained unmoved, so the interrogation couldn't proceed.
Without witnesses or a confession, Minamoto Tamako planned to find new evidence — at least some decisive proof that Kamei Yuusaku had threatened Kamei Riko, in order to prosecute.
In the following days, Minamoto Tamako was busy running around the Sugamo Apartment building, checking phone records with the telephone company, and visiting the East Sugamo parking lot to search through parking records, she was practically overwhelmed with work.
Fushimi Roku, on the pretext of interrogating suspects, was idling away in the police station. Every day at the scheduled time, he would call someone out, lock them in the interrogation room, and watch them read manga.
