2 things that seems to be a constant with all these mass shootings, from my prospective is they are all mentally unstable and win, lose, or draw they know they are getting way more exposure on TV by using a gun. The pick-up truck idea would work but would not end in a showdown or only make a 1-2 day blip on the news. Their mental state and the need for self validating exposure is why they choose the dramatic way of doing their deed. I am not really for limiting guns but, I am leaning toward if you have had to be evaluated or are under the care or have been under the care of mental health professionals you should be banned from weapon ownership. Same with teenage serious discipline problems and it's wiped away because of your eighteenth birthday. I think not