Mr. Griffin. A little glass window?
Mr. Senator. A window something like this.
Mr. Griffin. Maybe 12 inches long and 8 inches high or something?
Mr. Senator. Approximately. This is a guess.
Mr. Griffin. At about eye level?
Mr. Senator. Yes; it’s eye level. And under it are these perforations that you have to talk to; holes. You know; perforated holes.
Mr. Griffin. Perforations in a door of some sort?
Mr. Senator. No door; no.
Mr. Griffin. Just a wall?
Mr. Senator. Just a wall.