Mr. Revill. My name is Jack Revill. I reside at 5617 Madowics, Dallas, Tex.
Mr. Rankin. Do you have an official connection with the police department of Dallas?
Mr. Revill. Yes, sir; I do.
Mr. Rankin. What is that?
Mr. Revill. I am presently a lieutenant of police of the Dallas Police Department.
Mr. Rankin. How long have you occupied that position?
Mr. Revill. I was promoted to lieutenant June 26, 1958.
Mr. Rankin. Do you have any particular area of responsibility?
Mr. Revill. Yes, sir; I am presently in charge of the criminal intelligence section.
Mr. Rankin. Have you been in charge of that section since November 22 of 1963?