Twenty days after the unsuccessful bombing by Rashid , construction contractor Adnan Awad turned himself over to the American Embassy in Saudi Arabia and claimed that he had been pressured into joining the group . He was turned over to the Swiss , but later returned to the United States to help secure indictment against the 15 May leadership . With his aid , American intelligence agencies determined that it was the 15 May Organization that had constructed the bomb aboard Pan Am Flight 830
Pan Am Flight 830
Pan Am Flight 830
15 May Organization