Marta Orellana says she was playing with friends at the orphanage when the summons sounded: "Orellana to the infirmary. Orellana to the infirmary." Waiting for her were several doctors she had never seen before. Tall men with fair complexions who spoke what she guessed was English, plus a Guatemalan doctor. They had syringes and little bottles. They ordered her to lie down and open her legs. Embar