Here is a very well researched report from the Modern Warrior Project. It takes a bit of time to download.
https://myreadyroom.com/Modern-Warri...19)reduced.pdf
The conclusions can’t be taken as Gospel, but there is a lot of interesting info compiled from FBI UCR and LEOKA data, as well as input from major police departments like Houston, Los Angeles, and Philadelphia. There is also a lot of info from numerous private citizen gunfights viewed on surveillance video and dissected/timed.