Internal Sleuth (1973)
Original title: 桜の代紋
Internal Sleuth is a 1973 Japanese-language action movie directed by Kenji Misumi, with a running time of 1h 29m. It stars Tomisaburō Wakayama, Hiroshi Sekiguchi and Kayo Matsuo.
When 150 guns are stolen from Iwakuni base and two police officers are shot dead, a detective criminal tries to find out the truth.