Hana-bi (はなび), a 1997 film written, directed and edited by Takeshi Kitano.
Kitano plays Yoshitaka Nishi, a violent police detective who had to retire from the police after a tragic accident during a detention: detective Tanaka is killed by the suspect, while two other detectives, Nakamura and Horiba, were severely injured.

Takeshi Kitano Hana-bi (1997)