World Notes TERRORISM

Four months after Pan Am Flight 103 was blown up by a bomb concealed in a radio-cassette player, nobody has been charged with the crime. But U.S. Government sources say it is now believed that the bomb was carried onto the Boeing 747, apparently unknowingly, by a passenger who died in the explosion.

The U.S. sources say the investigation has narrowed down to between five and ten passengers. One of these is Khalid Jaafar, a Lebanese-American student en route from Frankfurt to Detroit to visit his parents. They say he could not be the unwitting bomber, as a photograph taken before his departure shows him carrying only a soft-sided bag. Still, Jaafar could have been given another suitcase, one containing the bomb, before boarding the doomed flight at Frankfurt.