Teen ##s for sending out al ##bino - like tweet threat to United Airlines . He 's since scaled the world 's second-tallest building , the unfinished Shanghai Tower in China . Other ill - advised traveler behaviors including visiting ancient monuments . The FBI seized nearly 2,000 guns last week during security screenings .
Teen ##s for sending out al ##bino - like tweet threat to United Airlines . Other ill - advised traveler behaviors including visiting ancient monuments . The FBI seized nearly 2,000 guns last week during security screenings .