well most murder is of people you know, and people have been spending a lot of time with people they know.
It is more likely that it is caused by pandemic situation where many people have lost jobs and homes. Also social conditions changed. All of that could attribute to agressive and reckless behaviour.
https://en.m.wikipedia.org/wiki/Ferguson_effect#:~:text=The%....
Don’t physically fight with police, and you’ll be fine. Simple as that.
Link me some examples. There are so many that it cannot be counted, and so surely it should be easy for you to send me a dozen examples.