Customers shop for guns at Freddie Bear Sports sporting goods store in Tinley Park, Ill., in January. One of the gun provisions in the spending bill prevents the Justice Department from requiring gun dealers to conduct an inventory to see if guns are lost or stolen.
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Chris Colwell, director of emergency medicine at Denver Health, has treated victims from two of the deadliest mass shootings in the U.S. He says he's deeply disturbed by how easy it is to get guns.
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Gun enthusiasts take part in a shooting competition at a club outside Zurich. The gun culture is deeply entrenched in Switzerland, where citizens as young as 10 learn to shoot.
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Connie Jacobson, coroner in Natrona County, Wyo., says suicide is one of the biggest public health problems facing the state. Wyoming has the highest suicide rate in the U.S., and two-thirds of suicides in the state are by firearm.