Want to understand the amount of school shootings in the U.S.?

Just a quick read of an example of why school shootings or so wide spread lately.
I don't know why it isn't posting this as a clickable link so you will have to copy and paste it in another tab. Sorry.

[media=https://en.wikipedia.org/wiki/Copycat_suicide]

[media=https://en.wikipedia.org/wiki/Copycat_suicide]