Originally Published: October 4, 2017 5:58 a.m.
Officials say Las Vegas gunman Stephen Paddock had been stockpiling guns since 1982 and bought 33 firearms in the last year.
Jill Snyder, the special agent in charge at the Bureau of Alcohol, Tobacco and Firearms, tells "CBS This Morning" on Wednesday that Paddock purchased 33 firearms, mostly rifles, between October 2016 and Sept. 28, three days before he opened fire on a concert crowd.
The attack killed 59 people and wounded more than 500.
Snyder said authorities wouldn't get notified of the purchase of rifles, but would get notified if there was a multiple sale of two or more handguns in one purchase.
Snyder said Paddock had rigged 12 semi-automatic rifles with devices that allowed the guns to fire like an automatic weapon.
Police: Vegas suspect had cameras in the hallway
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