"Child witness", a person who is under the age of fifteen years and who is alleged to have been a victim of, or a witness to an alleged violation of section thirteen B, 13B1/2, 13B 3/4, thirteen F, thirteen H, twenty-two, twenty-two A, 22B, 22C, twenty-three, 23A, 23B, twenty-four, 24B, 50 or 60 of chapter 265, or section two, three, four, four A, four B, five, six, seven, eight, twelve, thirteen, sixteen, seventeen, twenty-four, twenty-eight, twenty-nine, twenty-nine A, twenty-nine B, thirty-three, thirty-four or thirty-five A of chapter two hundred and seventy-two.
"Simultaneous electronic means", Any device capable of projecting a live visual and aural transmission such as closed-circuit television.
Mass. Gen. Laws ch. 278, § 16D