By Jack D. Gunther '29 and Charles O. Gunther. John Wiley & Sons. 342 pages.
This book is the joint effort of a lawyer and an expert in firearms identification.
Approximately one third of the text is concerned with the scientific and technical aspect of firearms identification. Somewhat more than a third is given to the discussion of a single legal case in which the testimony of "ballistic. experts" played a profhinent part. The remainder of the book deals with a review and an analysis of cases involving the identification of firearms and projectiles.
In the first chapter, "The Principles of Firearms Identification from Ammunition Fired Therein," the authors outline the several types of problem which may be presented for solution. They then discuss with a wealth of illustrations the factors which enter into the solution of each problem, together with the apparatus and methods necessary. The subject is clearly and logically presented. The scientific investigator will find it a useful brief exposition. It should bring to the technician a knowledge of his limitations.
The second chapter deals with the SaccoVanzetti case. The testimony of the experts called is transcribed from the printed record of the case. Most of the testimony is given in toto. The relevent portions of the summary of counsel, the charge of the Court, the motions for a new trial with the accompanying affidavits and decision are given and discussed. Copies of photographs of important exhibits are included.
It was somewhat of a shock to read in the discussion that "The testimony given by the experts for the commonwealth was incompetent; . . . This statement is plucked from the text, not with the idea of presenting it for criticism but rather to indicate the trend of the discussion. The authors' opinion of the testimony put forward by the defense may be gleaned from the following: "The testimony of the experts for the defense was utterly incompetent: . . .
The third chapter, "Analysis of the Authorities on Firearms Identification," defines the attributes of the specially trained witness. Then follows a series of case histories and discussions with photographs of the bullets in evidence. Suggestions are given regarding the-presentation of evidence and the type of question useful in cross-examination in developing the qualification, or lack of qualification, of the expert witness. The future needs of the science of firearms identification are outlined.
There is a bibliography, an index, a table of contents, a list of illustrations, and a table of cases arranged by states. Footnotes indicate the source of the material ci ted.