Download the PDF for Free: Crime Scene Photography … [Read more...] about PDF Crime Scene Photography. Download it for Free!
From the bluebird painting propped against her office wall and the deer she mentions seeing outside her office window, Linda Lewis might be mistaken for a wildlife biologist at first glance. But rather than trailing animal tracks, Lewis, a researcher at the Department of Energy's Oak Ridge National Laboratory, is more interested in marks left behind by humans... She's a … [Read more...] about Sticky fingers: developing a materials science approach to forensics
The Cognitive Interview was developed after investigators were challenged in court for using forensic hypnosis due to issues pertaining to suggestibility. Forensic Hypnosis does not pass the "Frye Test" as established by case law. As an alternative, psychologists created the Cognitive Interview as a Memory Enhancement Tool for investigative interviewing. Let's review the … [Read more...] about Cognitive Interview Steps
NIST's 3D mapping system combines a form of laser detection and ranging (LADAR), which is sensitive enough to detect weak reflected light, with the ranging accuracy made possible by frequency combs, as previously demonstrated at NIST. The frequency comb, a tool for precisely measuring different frequencies of light, is used to continuously calibrate the laser in the imaging … [Read more...] about Laser comb system maps 3D surfaces remotely for manufacturing, forensics
Gathering DNA Evidence Physical evidence is any tangible object that can connect an offender to a crime scene. Biological evidence, which contains DNA, is a type of physical evidence. However, biological evidence is not always visible to the naked eye. DNA testing has expanded the types of useful biological evidence. All biological evidence found at crime scenes can be … [Read more...] about DNA Evidence: basics of identifying, gathering and transporting