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Did a hacker really make a plane go sideways?

A FBI affidavit in a case involving security researcher Chris Roberts claims that he took over the navigation system of an airliner. But if those claims are indeed true, they raise troubling questions about the state of airline security.

AP/File

Last month when a noted cybersecurity researcher tweeted mid-flight about his airplane's technical vulnerabilities, he was detained by the FBI and found himself at the center of renewed debate over security risks in commercial airliners.