We may receive a commission on purchases made from links. Each day, the Transport Security Administration (TSA) screens 1.4 million checked and 5.5 million carry-on items across nearly 440 airports.
Terilyn Mazza locks her suitcase before airport check in as automatically as she does her car or front door. “I lock everything,” said the retired publishing executive living in Boca Raton, Fla.