Special Techniques Useful in Tool Mark Comparisons
Roger S. Greene, David Q. Burd · Journal of Criminal Law and Criminology (1931-1951) · 1950
The authors are well known to our readers for their excellent papers dealing with various methods of scientific investigation of evidence. Both have been mem-bers of the staff of the Laboratory of the California State Division of Criminal Identification and Investigation for a number of years. Roger S. Greene was appointed as a Criminologist at this Laboratory in 1931, following his graduation from the University of California, and has served continuously except for three years military service during World War II. David Q. Burd joined the laboratory in 1942 shortly after receiving a B.S. degree in Technical Criminology from the University of California.-EDITOR. The basic methods for the comparison of tool marks in criminal cases have been discussed in several publications.". 2.3, 4 However, little mention has been made of specialized techniques used to reveal or reproduce marks should difficulties be encountered in direct examination. One recent exception to this was an article on the use of "Faxfilm " by Cowles and Dodge.5 The present article is presented to describe two