TSA agents clearing passengers at Denver International Airport, June 2020. TSA found twice as many weapons on passengers per million in 2020 than they did the year prior.

FILE – In this June 10, 2020 file photo, Transportation Security Administration agents process passengers at the south security checkpoint at Denver International Airport in Denver, as travelers deal with the effects of the new coronavirus. TSA, the government agency that oversees air travel, said the number of passengers screened for flights topped one million in a day on Sunday, Oct. 18 for the first time since the coronavirus pandemic outbreak last March. (AP Photo/David Zalubowski, File)