Extremely remote occurrence when compared to our total population.
I dont know the numbers, but the fact that its actually systematic and spread nationally should be mildly alarming. Notice violence in general (be it of any nature) is a problem world wide, nothing new here, what calls my attention the most is that this particular type of violence is exacerbated with guns, irrational shooting to groups of people (its easier to mass murder with a gun than with say, a bat). Im not talking about hate crimes, nor organized criminals, no, shooting kids, shooting Uni students, shooting people at the fucking movies, do you not see how particular your situation is compared to other type of violence (for example, drug related?) This is violence qua violence, made easy because of lax gun legislation and poor social awareness and responsibility.
We won't allow the government to trample peoples rights, to accommodate criminals.
Statistic for a "shitty" country like mine were released yesterday (
www.emol.cl), all forms of violent crime have diminished, no chang ein gun control regulation. Also, I am sick and tired of reading this "people´s rights" argument, you just dont understand that rights can and do change across the world. Rights have an ethical grounding, and if you value more the right to own guns without the actual duty of education and responsibility, than social safety and peace well, you are free to be unreasonable.
I feel guilty, I have a gun I don't really need while you're not legally allowed to own one and you could probably really use it! 
Why would I really use it? Why do you feel the need to lie about me? Does it give you peace of mind to lie to yourself thinking ERRYBODY NEEDS GUNZZZ TO BE HAPYY?