A sign directs travelers to a security checkpoint staffed by Transportation Security Administration workers at O'Hare Airport on June 2, 2015 in Chicago, Illinois.
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How to detect explosives with an airport's X-ray
Erin Burnett Out Front
How difficult would it be for an explosive to get through airport security in the U.S.? CNN's Miguel Marquez reports.
2:23 • Source: CNN
Airport security 15 videos
A sign directs travelers to a security checkpoint staffed by Transportation Security Administration workers at O'Hare Airport on June 2, 2015 in Chicago, Illinois.
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How to detect explosives with an airport's X-ray
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• Source: CNN
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Airport computer outage disrupts customs
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DENVER - NOVEMBER 22: Air travelers move through a main security checkpoint at the Denver International Airport on November 22, 2010 in Denver, Colorado. The TSA is bracing for heavy traffic the day before Thanksgiving, as two separate internet campaigns are promoting a "National Opt-Out Day" protest during which travelers are urged to "opt out" of the new body scanners because of concerns over privacy and possible exposure to radiation. Those passengers who refuse the scans must instead undergo an enhanced pat down by TSA agents, which could further slow down security lines on the busiest air travel day of the year. (Photo by John Moore/Getty Images)
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TSA changes rules for airport security screenings
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Erin Fooch was flying out of O'Hare Airport Friday morning and her wait time to get through TSA was 2 hours. She just made her flight, but her boss wasn't so fortunate.
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TSA security lines frustrate travelers
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The future of airport security
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Investigation reveals serious gaps in airport security
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TSA warns of hard-to-detect bombs
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CHICAGO, IL - SEPTEMBER 19: United Airlines jets sit at gates at O'Hare International Airport on September 19, 2014 in Chicago, Illinois. In 2013, 67 million passengers passed through O'Hare, another 20 million passed through Chicago's Midway Airport, and the two airports combined moved more than 1.4 million tons of air cargo. (Photo by Scott Olson/Getty Images)
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Pilot removed from flight after rant
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Esteban Santiago
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Airport attack suspect had gun in checked bag
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U.S. increases security measures at airports
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Unarmed aviation police told to run and hide
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Lisa Akey says she waited in line for 35 minutes on Friday morning at LaGuardia Airport. She says TSA let people who had earlier flights go through line faster.
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TSA reveals plan to reduce wait times
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LOS ANGELES, CA - MAY 02: Transportation Security Administration (TSA) agents screen passengers at Los Angeles International Airport on May 2, 2011 in Los Angeles, California. Security presence has been escalated at airports, train stations and public places after the killing of Osama Bin Laden by the United States in Abbottabad, Pakistan. (Photo by Kevork Djansezian/Getty Images)
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How effective are TSA's screening methods?
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Heightened security at airports
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Travelers wait for screening at a special TSA Pre-check lane at Terminal C of the LaGuardia Airport on January 27, 2014 in New York City. Once approved for the program, travelers can use special expidited Precheck security lanes. They can also leave on their shoes, light outerwear and belt, as well as keep their laptop and small containers of liquids inside carry-on luggage during security screening. The TSA plans to open more than 300 application centers across the country. (Photo by John Moore/Getty Images)
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GAO: TSA screenings may not be effective
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