CNN Early Start With John Berman and Christine Romans December 23, 2015 09:49:00
Especially as millions of americans get set to travel. police want to know why an unidentified man managed to sneak on one of the largest airports. he told a cargo man not to say a word. now authorities can't find him. cnn aviation correspondent renee marsh has the latest. >> reporter: a maar jo airport security breach at one of the busiest airplanes in the country during peak travel times. he made it onto the taxiway, bringing operations at jfk to a halt. investigators still aren't sure who or where the man is. he was able get away before police got on scene.scene. now investigators are going...