October/November 2009 Issue

 October/November 2009 Issue  

From The Editor: Expunging DNA: Who? What? When? Where?


As we continue to expand the national DNA database through broader sampling criteria in a growing number of states, the debate grows on the ethics of DNA collection and how the DNA database is administered.

Who Framed DNA Analysis?


When I got a call from one of the national news agencies recently asking me about a New York Times article citing a new study from Israel showing the ability to “fabricate” DNA, I was not nearly as excited about it as they were.

Dual Beam Microscopy


Dual beam instruments provide high resolution and analysis in three dimensions for Brasília’s Instituto Nacional de Criminalistica.

Documenting Bloodstain Patterns Through Roadmapping


An accurate and methodical technique for documenting bloodstain patterns is invaluable in crime scene analysis.

Consideration in Adopting Large Scale Automation For The Forensic Laboratory


While automation of extraction removes one bottleneck, it also exposes throughput limitations inherent to the rest of the sample processing workflow. The remaining processes require precision liquid handling, something the small automated extraction instruments can’t address.

Integrated Criminal Investigation and Identification System


In today’s world of increasing case loads and corresponding data, an inter-departmental and even inter-unit database can make investigations easier and more efficient.

A Fresh Look at Your Old Lab: The People


Yoga instructors often say we should close our eyes and open them as a child to see the world anew. We ask that you take a walk through your lab, observing your staff, looking at all with the eyes of a child, with unprejudiced honesty of all you see.

Cloud Computing: Another Digital Forensic Challenge


Cloud computing raises some unique law enforcement concerns regarding the location of potential digital evidence, its preservation, and its subsequent forensic analysis.

The Devil is in the Details: Making the Best Material Selections for Your Facility


This article will help guide you through some of the advantages and disadvantages of the options you have when making material selections for your facility.

What Can We Get From a Suspect?


Every crime scene is different. Yet, our primary job as crime scene investigators is always the same: to tie a suspect to the scene. The way to accomplish this goal is to collect as much evidence as possible from the scene and the suspect.