"There is no landscape that we know as well as the human face. Twenty-five odd square inches containing the features is the most intimately scrutinized piece of territory in existence, examined constantly, and carefully, with far more than an intellectual interest. Every detail of nose, eyes, and mouth, every regularity in proportion, every variation from one individual to the next, are matters about which we are all authorities." (read all)
A companion to John Barbara's Computer Forensics Standards and Controls
Appropriate standards and controls must always be specified in the analytical procedure and their use documented in the case notes. This is a necessary quality assurance practice which will ensure that forensic hardware, operating systems, and forensic software are working correctly. However, they must be used prior to imaging evidentiary digital media. Likewise, any forensic software tools that are updated from previous versions or newly installed forensic software must be performance verified and/or validated prior to their use in casework. (read all) Note: this is the companion article to John J. Barbara's article, Computer Forensics Standards and Controls
In the past fifteen years, forensic DNA technology has had an incredible impact on a number of areas. It has changed much about criminal justice systems around the world.
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While the technology available to the forensic toxicologist is far superior to that of 170 years ago, the analytical challenges remain the same. And while the understanding of pharmaco/toxicokinetics and dynamics has advanced, the questions remain the same.
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Nature has created some of the deadliest poisons ranging from botulinum neurotoxin and anthrax to ricin. In the fall of 2001, anthrax spores were discovered in the U.S. mail and ultimately resulted in the deaths of five people. This incident raised awareness to the possibility of a terrorist attack using potent, naturally occurring toxins.
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The problem with the traditional “photofit” process is that the human brain recognizes faces holistically, not as a collection of isolated features.
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One realm of forensics has nothing to do with crime scene evidence like blood, bones, or ballistics, but its intangible contributions are no less important to the flow of criminal and civil justice.
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