Mr. STOVALL. When we took this identification off of Lee Oswald that had this selective service card, the name Hidell, and he also had his own identification--at the time we were in the garage we found some negatives out there that appeared that he had make a snapshot of a selective service card, and on the back of the negatives it was where the name would have been typed in--there was some stuff on the back of the negatives to block out the name when it was reprinted, and there were some selective service cards that he had printed himself out there from a negative that were blank and which appeared to be the same that he had on him at the time, on the 22d of November, that had the name of "A. Hidell" typed in on it. Mr. BALL. Did you appear at any showups of Oswald? Mr. STOVALL. No, sir. Mr. BALL. Were you at any of the interrogations of Oswald? Mr. STOVALL. No, sir. Mr. BALL. Well, I think that's all, Mr. Stovall. Thank you very much for coming over here. Mr. STOVALL. Okay, thank you. Mr. DAVIS. Thank you so much, Mr. Stovall, we appreciate your coming by. Mr. STOVALL. I hope it was of some help to you. TESTIMONY OF WALTER EUGENE POTTS The testimony of Walter Eugene Potts was taken at 11:45 a.m., on April 3, 1964, in the office of the U.S. attorney, 301 Post Office Building, Bryan and Ervay Streets, Dallas, Tex., by Mr. Joseph A. Ball, assistant counsel of the President's Commission. Mr. BALL. Will you hold up your right hand and be sworn, please? Mr. POTTS. Yes, sir. Mr. BALL. Do you solemnly swear that the testimony you are about to give before the Commission shall be the truth, the whole truth, and nothing but the truth, so help you God? Mr. POTTS. I do. Mr. BALL. Will you state your name, please? Mr. POTTS. Walter Eugene Potts. Mr. BALL. What business or occupation are you in? Mr. POTTS. I am a detective with the police department, homicide, Dallas. Mr. BALL. How long have you been with the police department in Dallas? Mr. POTTS. Since October 21, 1947. Mr. BALL. And how long have you been with the homicide department? Mr. POTTS. June 6, 1956. Mr. BALL. Can you tell me something about where you were born and where you were educated and what you have done since then?