Mr. Redlich. Could you describe what they were?
Mr. Gallagher. Neutron activation analyses were conducted at Oak Ridge National Laboratory, Oak Ridge, Tenn., on the paraffin casts from the right hand, the left hand, and the right cheek of Lee Harvey Oswald.
Mr. Redlich. May I interrupt you there, Mr. Gallagher? Your determination that these were the casts from the right and left hand and right cheek of Lee Harvey Oswald was based upon information given to you and is not based upon your own personal knowledge; isn’t that correct?
Mr. Gallagher. It is based upon knowledge which I obtained from an official Bureau report.
Mr. Redlich. The record would indicate that these casts were made in Dallas, and were made in connection with tests performed by the Dallas police. And then subsequently they were forwarded to the FBI in Washington. That is our understanding of the manner in which the casts were made and placed into the possession of the Federal Bureau of Investigation. Do you have any information to the contrary?
Mr. Gallagher. It is my understanding that Dr. Morton Mason, Director of Dallas City-County Criminal Investigation Laboratory made and processed the paraffin casts.
Mr. Redlich. Now, would you proceed?
Mr. Gallagher. The paraffin casts were analyzed by neutron activation analyses to determine if these casts from Oswald, which were made, chemically treated, and subsequently washed by investigators in the Dallas area, bear any deposits which could be associated with the rifle cartridges found in the Texas School Book Depository Building.
Mr. Redlich. Do you know why the casts had been chemically treated in Dallas?
Mr. Gallagher. Reportedly, these casts were chemically treated for the presence of nitrates.