Tool Mark Impressions
By Steven L. Petersen, CCSI, Shawn L. Naccarato, DDS/CCSA
A slightly different technique for collecting tool mark impression evidence.
Innovations in Scanning Electron Microscopy Preserve Sample Integrity and Validity in Forensic Analysis
By Hans Kruesemann
Scanning electron microscopes (SEM) provide forensic investigators with critical imaging and analytical capabilities that are not available from other techniques. In particular, they can resolve features as small as a nanometer, allowing useful magnifications of 100,000 times or more.
A Cut Above: Sharpening the Accuracy of Knife and Saw Mark Analysis
By Deborah W. Morton
Symes can discern from the "signature" left on bone what class of sharp-bladed implement might have been used to accomplish a mutilation or dismemberment, be it a serrated knife, a garden-variety treesaw, or a lumberjack-grade chainsaw.
Utilizing Track Evidence at a Crime Scene
By Kevin Reeve
Once you step under the tape, you are entering the crime scene. What you do from here determines whether valuable track evidence will be destroyed.
