A China Airlines flight bound for Beijing crashed around five hours into takeoff . The FBI alerted the flight crew to a possible international parental emergency . A woman traveling with her son was detained upon their arrival . The 4-year - old boy was returned to his father .
A United Airlines flight bound for Beijing turned around five hours into flight . The FBI alerted the flight crew to a possible international parental kidnapping . A woman traveling with her son was detained upon their return . The 4-year-old boy was returned to his father .