They also murder unarmed people with a frequency I'm not comfortable with, so any argument that guns is what makes the police trigger happy has plenty of counter examples of clearly unarmed people getting killed.
https://www.youtube.com/watch?v=9piU6_8y61Q
Here's a recent video of a cop throwing a woman to the cement who was in a fight.
https://www.youtube.com/watch?v=DCKu-0oAaOk
Here's a compilation of nearly 1000 incidents of police brutalizing BLM protestors and reporters.
https://www.theguardian.com/us-news/2020/oct/29/us-police-br...
In these incidents the victim was clearly either unarmed or in no way was threatening the police with a firearm. I think that is just yet another excuse the police use to evade prosecution when brutalizing citizens.
This is nothing new, here's the police brutalizing citizens protesting in Chicago in 1968.