CNN The Lead With Jake Tapper May 18, 2015 20:27:00
But it's not a movie plot. it's our other national lead today. cyber security expert named chris roberts claims he successfully commandeered a united airline looinline without ever stepping foot in the cockpit. hacked into the onboard entertainment system and managed to get the jet to fly sideways trying to expose security vulnerabilities. haven't haven't's justice correspondent pamela brown joins us live. does the fbi think this actually really happened? >> reporter: skepticism. a senior law official says there's no credibility information suggesting it be a manipulated but the fbi is worried...