Editorial: Swipe. Scroll. Learn.

 A new digital edition is here, making it easier than ever to read and interact with Evidence Technology Magazine.

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Tool Kit: Lighting Solutions

Here's eight products to help with lighting the scene and detecting evidence.

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3D Printing for Crime Solving & Convictions

3D printing (a.k.a. additive manufacturing) has the potential to transform the world by simplifying manufacturing, shortening supply and distribution chains, democratizing production, creating and repatriating jobs, and customizing products to our needs. But 3D printing can also be used for both causing crimes—as well as solving them. I learned during my recent speech at the Social Media the Internet and Law Enforcement (SMILE) conference that the risks and benefits of 3D printing are largely unknown to the law enforcement community. Here’s some of what’s happening.

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3D Scanning Technology for Faster Autopsy Documentation

A study at the University of Toronto finds 3D scanning works smoother and faster than photography during autopsy, providing critically important spatial data.

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Book Excerpt: Overview of the Examination of a Dismembered Body

An excerpt from Criminal Dismemberment: Forensic and Investigative Analysis

Edited by Sue Black, Guy Rutty, Sarah Hainsworth, and Grant Thomson
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Safety in the Lab

Evaluation of Forensic Crime Lab Employees’ Chemical Exposures

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Applications & Advances in Forensic Mitochondrial DNA Analysis

DNA analysis from crime scene evidence is central to a large proportion of cases. Results from DNA Short Tandem Repeat (STR or “DNA fingerprints”) were introduced to courts in the mid 1980s and widely accepted by the late 1990s as standardized protocols, and statistical probabilities were developed. STR DNA analysis has had an impact on countless investigations and court cases. Strengths of this data include both its resolving power for excluding an individual, and the ability to determine potential relationships between evidence and suspects due to Mendelian inheritance of nuclear DNA. However, there are only two copies of the DNA per cell in linear chromosomes. If DNA extracted from the source material has been degraded or is of a very low concentration, it may be unsuitable for STR analysis.

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NIST Corner: Fentanyl and First Responders

Fentanyl Can Sicken First Responders. Here’s a Possible Solution.

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Item of Interest

The language barrier between English-speaking investigators and Spanish-speaking witnesses is a growing problem. (Updated 28 February 2011)

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