Probably started when he played violent video games and the MAGA hat is what set him off? Please.....Lol, another alt-right MAGA stooge just went off the rails and massacred people and you are demonizing someone speaking for change. YOU, are the idiot.
Apparently there were many "red flags" regarding this nut case, even the FBI were aware.
He was expelled and people were warned not to let this guy on campus with a backpack on....