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.