First, one need not engage in any violence whatsoever to be convicted of assault on a peace officer, as our criminal justice system is corrupt.

https://ggwash.org/view/9476/assaulting-a-police-officer-may-not-mean-what-you-think

Yes, police are killing more people. Here's your proof. Look at Figure 3 on page 256.

chrome-extension://oemmndcbldboiebfnladdacbdfmadadm/http://moritzlaw.osu.edu/students/groups/osjcl/files/2016/01/trends-in-killings-of-and-by-police.pdf