Mistakes in evaluating private screeners' applications have reignited the conversation over whether private screeners can be as efficient as TSA screeners.
In the first six months of this year, Transportation Security Administration screeners found 894 guns on passengers or in their carry-on bags, a 30 percent increase over the same period last year.
Commercial airline flights started backing up and delayed some travelers Monday, a day after air traffic controllers started going on furlough because of government spending cuts.
Before boarding an international flight, the 23-year-old was arrested, and Port Authority officials discovered a 3,800-watt stun gun in his carry-on luggage.