Well. Robots can't reproduce can they? No when the kids die there souls go and look for a pregnant vessel to reborn them. They are like parasites. Once they are in the body, they steal nutrients and blood from the mother and unborn fetus. They often either by pure accident maul the unborn fetus or they tear the uterus and kill or critically injure the mother. When they are sent to be released by the hospital Jed or Tex comes and pick them up and drop them off at Willy's Wonderland where they are taken care for. Either at the restaurant or there old home