Irrelevant, retard. Don't violently assault people.

Also, definitely don't do it in public, in front of police. At least have the decency to stab people in the privacy of your own home.

Disclaimer: Is joke. Don't stab people. Except in cases of self defense. Which this case wasn't.

But, seriously, if you don't want the police to shoot you, maybe don't try to murder people when there's a armed police officer a few feet from you. "I'm gonna stab the fuck out of you, bitch!"