Break out! The man holds a knife to stab 3 policemans, the policeman is decisive shoot!

An imminent peril during, the policeman is decisive shoot: Phut phut! After the gun is noisy, the extremely vicious man that hold a knife stopped the pace that attacks eventually. . . . . . Want to know, that dagger in his hand just has stabbed 3 policemans, bloodstain did not work! A what kind of soul-stirring this is fight?