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.
A federal judge has ruled that DHS must release two safety reports it conducted in the 2000s evaluating the radiation safety of body-scanning machines.