Mr. HUBERT. Did you know Jack Ruby or of his existence prior to, say, the assassination of the President?
Mr. WALKER. No; I did not.
Mr. HUBERT. Well, now, did you know Jack Ruby at all?
Mr. SMITH. No.
Mr. HUBERT. Now prior to the 23d, or the 24th, did you know a man by the name of Jack Ruby?
Mr. RICHEY. No; I never heard of him.
Mr. HUBERT. Never seen him before?
Mr. RICHEY. Never heard of him.