Mr. Belin. Is it general procedure for officers cruising in the daytime to work alone or in pairs?
Mr. Walker. Accident investigations, we work alone. That is day and night.
Mr. Belin. Day and night?
Mr. Walker. Yes.
Mr. Belin. What about nonaccident investigation? Do you know offhand?
Mr. Walker. Radio patrol work, one man during the day. Second and third platoon, they work two men.
Mr. Belin. That would be the second platoon would come to work about 4 in the afternoon?
Mr. Walker. Yes, sir.
Mr. Belin. Did you know Officer J. D. Tippit?
Mr. Walker. Yes.