Security companies spent years pushing schools to buy more products — from "ballistic attack-resistant" doors to smoke cannons that spew haze from ceilings to confuse a shooter. But sales were slow, and industry's campaign to free up taxpayer money for upgrades had stalled.That changed last February, when a former student shot and killed 17 people at a Florida high school. Publicly, the rampage reignited the U.S. gun-control debate. Privately, it propelled industry efforts to sell school fortification as the answer to the mass killing of American kids.Since that attack, security firms and nonprofit groups linked to the industry have persuaded lawmakers to elevate the often-costly "hardening" of schools over other measures that researchers and educators...
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AP: Lawmakers buy industry fix to protect schools from guns