A lone traveler heads to the north security checkpoint in the main terminal of Denver International Airport Wednesday, July 22, 2020, in Denver. Air travel is down sharply during the pandemic, but airport screeners are finding guns at a much higher rate. And about 80% of those guns are loaded. The Transportation Security Administration appealed Monday, Aug. 10, for travelers to pay attention to the restrictions on traveling with guns. (AP Photo/David Zalubowski) **FILE**
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