Thinking about the previous post, and the scenarios of police officers faring so badly against a suspect with a knife, the question arises “Did these cops try to use their batons?”
If the knife was drawn first, I can see that the suspect could be all over the cop before he can draw the baton or gun, but if the baton is in hand, one would expect the knifeman to take a couple of hard hits to his knife arm or shoulder.
Here is the FBI manual on the baton.