(Courtesy: Transportation Security Administration) Travelers left behind nearly a million dollars at U.S. airport security checkpoints last year, including about $19,000 in foreign currency, the Transportation Security Administration said.A TSA report said travelers lost $926,000 at 75 airports in the year that ended in September.Federal regulators say much of the lost money came from people emptying their pockets for security scans.A TSA spokesperson said the largest sums were lost at airports in New York, San Francisco, Miami, Las Vegas and Dallas."The unclaimed money found at TSA checkpoints was deposited into a special fund account for providing critical aviation security programs," Farbstein tweeted.AdvertisementThe Transportation.