The reason is now clear ISIS has admitted giving the pilot tranquilizer pills beforehand. One ISIS militant also said the pilot did not know about the way his end would come. He was supposedly drugged to the point where his pain receptors were nearly shut off by the amount of pills he was given.
Lt. Muath al-Kaseasbeh, 26, fell into the hands of the ISIS militants in December when his Jordanian F-16 crashed near Raqqa, Syria, the de facto capital of the group's self-styled caliphate. He was the first pilot from the U.S.-led coalition to be captured.