Mr. Stern. But he would, as I understand it, sir, be included in the basic files if he had come to their attention as a potential danger.
Mr. Dulles. Someone in New Orleans, for example, he could get up to Dallas very quickly or if he were in Houston, but this 50,000 covers the whole world.
Mr. Stern. Yes; and I think the important point here, Mr. Dulles, is that these are 50,000 cases of background information, including people already investigated and found not to represent danger. The number of cases under active scrutiny at the time of Dallas amounted to about 400, who were reviewed periodically, plus a much larger number, in the thousands, of persons committed or imprisoned, and as to those, I expect there would be no problem until they were released.
Mr. Bouck. That is right.
Mr. Stern. And you had a system to be notified about the release or escape, is that correct?
Mr. Bouck. That is correct.
Mr. Dulles. So can we get from that about the number of cases you felt to look at in connection with the President's trip to Dallas?
Mr. Bouck. We actually——
Mr. Dulles. What range would that be?
Mr. Bouck. We actually looked at a volume of cases approximating 400 in connection with the trip to Dallas.