Mr. McDonald. Yes, sir; December 29, 1950.
Mr. Ball. How long were you in the Air Force?
Mr. McDonald. Four years.
Mr. Ball. What work did you do in the Air Force?
Mr. McDonald. I was a supply sergeant.
Mr. Ball. After that, what did you do?
Mr. McDonald. I became a policeman in the Dallas Police Department.
Mr. Ball. That was in 1956?
Mr. McDonald. March 3, 1955.
Mr. Ball. And you have been a police officer ever since?