6 "Unraveling" Transcription: "Hokorobi" (Japanese: 綻び) Oyunamu Yasuko Kobayashi Masato Bessho November 8, 2006 (2006-11-08) November 25, 2007 The Japanese police, who were previously unaware that there were FBI agents in Japan, conclude that L hired them to investigate the Japanese police and their families, causing them to distrust L. Soichiro announces that because of the heightened stakes of the case, any officer who no longer wishes to work on the Kira investigation may leave, and will not be demoted for doing so.