A friend of mine share this article about "how school shootings catch on". Full disclosure, I had to take a pain pill so I couldn't read the whole thing, but what I gathered of it was interesting. I thought I'd post it and see what everyone's opinion was. It's a bit lengthy, but interesting. Edited to add: I'm not sure why the link thing is acting stupid.
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[url=https://www.newyorker.com/magazine/2015/10/19/thresholds-of-violence]Article

"On the evening of April 29th last year, in the southern Minnesota town of Waseca, a woman was doing the dishes when she looked out her kitchen window and saw a young man walking through her back yard. He was wearing a backpack and carrying a fast-food bag and was headed in the direction of the MiniMax Storage facility next to her house. Something about him didn’t seem right. Why was he going through her yard instead of using the sidewalk? He walked through puddles, not around them. He fiddled with the lock of Unit 129 as if he were trying to break in. She called the police. A group of three officers arrived and rolled up the unit’s door. The young man was standing in the center. He was slight of build, with short-cropped brown hair and pale skin. Scattered around his feet was an assortment of boxes and containers: motor oil, roof cement, several Styrofoam coolers, a can of ammunition, a camouflage bag, and cardboard boxes labelled “red iron oxide,” filled with a red powder. His name was John LaDue. He was seventeen years old......"

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