...mass shootings compared to groups by population would be nice to know. I expect it would run pretty close to the rates for any other form of homicide.
...and they could be counting the one guy who shot up the country western concert out west as 50 shootings and the guy who shoots a 8 or 10 in a walmart as only one also. If they are doing thaqt they are not determining the number of shooters but rather the proficiency of the shooters.
Liberals are like a "Slinky". Totally useless, but somehow ya can't help but smile when you see one tumble down a flight of stairs!