Catch him and run a due process.
How does it point to that? And does that justify murder?
[1] https://nltimes.nl/2023/06/10/32-year-old-man-dies-arrest-st...
Yellow vests protested peacefully and that yielded nil.
Pension reform was protested peacefully and that yielded nil.
Anything that makes establishment scared is a valid protesting technique.
Similarly, the mere act of driving with a broken tail-light doesn't justify death, but it is a possible outcome. Now...if someone comes and shoots you and kills you, that doesn't make it right.
Similarly, if someone comes and shoots a sky-diver and kills them, that is also not right, even if there was a possibility of death.