He had a job to do, he told his wife. He left his Hayward home in a hurry and boarded a bus bound for Florida. Days later, a photographer captured Floyd Wesley Moody stuffing explosives into three heavy bomb shells. On the night of Halloween 1960, Moody and a fellow military veteran loaded the bombs onto a Beechcraft Bonanza plane and took off from the Atlantic seaboard, never to be heard from again. Their mission: Bomb Cuba. Its name: "Operation Trick or Treat." And who sponsored it? Almost a half-century later, anyone who knows for sure is still not telling.