CRIM 355 Lecture Notes - Lecture 6: Sole Markings, Gunshot Residue, Spark Plug

• School: Simon Fraser University
• Department: Criminology
• Course: CRIM 355
• Professor: Gail Anderson

Document Summary

Hon. engineering or science, including chemistry: need logical, analytical mind, 2 year understudy program, will be paired with specialist in eld. General types of examination: firearms and ammunition, tool mark identi cation, autopsy attendance, gunshot residue sampling, reconstructions of shooting events, physical matching, serial number restoration, spark plug matching. Can it be identi ed: to that class of tools? or, to that speci c tool, two main types of tool marks. Two main types of tool marks: impressed tool marks, tool pressed into object, no movement involved (no sliding motion, striated tool marks, tool pressed into object and then moved. Week 6 toolmarks & firearms: sliding motion. Class characteristics: can indicate group that tool came from, e. g. width of blade, shape of blade, can eliminate but can not identify to a single source, tool mark may not include entire foot. Individual characteristics: accidental or unplanned events, can individualize, can be formed by, manufacture, use.