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Applying AFIS Case by Case

June 25, 2014 5:44 am | by Carey Hall and Teresa Wu | 3M Cogent, Inc. | Comments

A typical AFIS deals with pre-defined print card formats and rigid parameters, a new “Case AFIS” approach is flexible in dealing with ad-hoc ink cards, uncontrolled capture areas, poor quality prints, and other obstacles.  

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Gunshot Residue Collection: The Decisions that Make or Break a Case

June 25, 2014 5:38 am | by Julia Patterson | RJ Lee Group, Inc. | Comments

Gunshot residue (GSR) analysis can be a critical piece of evidence in criminal investigations, but over the last several years many government laboratories have discontinued GSR analysis due to a lack of funding or re-prioritization. By understanding the science behind GSR and what can be learned from its analysis, investigators can make informed decisions regarding the collection of gunshot residue evidence.  

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Considerations of Gait at Crime Scenes

June 25, 2014 5:18 am | by Bryan B. Kagan, DPM and Sally Crawford | Comments

Forensic gait analysis is the identification of gait features and patterns of subjects seen on Closed Circuit Television (CCTV) and from footprints forming a gait pattern left at the scene of a crime. Studies have shown that more than 30% of people wear shoes that are within a two shoe size differential, which can affect the gait phase and gait time parameters and impact on the class level distinction during forensic examination.  

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The quality of your organization depends on the quality of your team—a motivated, energized staff is the key to companywide success.

Finding 'A Players'

June 24, 2014 10:56 am | Comments

Your business doesn’t run itself. The quality of your organization depends on the quality of your team — a motivated, energized staff is the key to companywide success. You want A Players, those colleagues who contribute disproportionately to the advancement and profitability of the organization.

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At a crime scene involving arson, proceed like it’s any other scene: find and collect any evidence that could possibly be relevant

Arson Evidence Collection

June 19, 2014 1:06 pm | Comments

At a crime scene involving arson, proceed like it’s any other scene: find and collect any evidence that could possibly be relevant.                                 

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In order to effectively investigate crimes involving social media, it is imperative that law enforcement understand “how” social media is stored, “where” such information is stored and found, and “how” to obtain such information using forensically sound p

Book Excerpt: Social Media Investigation for Law Enforcement

June 18, 2014 8:33 am | by By Joshua Brunty and Katherine Helenek | Elsevier | Comments

In order to effectively investigate crimes involving social media, it is imperative that law enforcement understand “how” social media is stored, “where” such information is stored and found, and “how” to obtain such information using forensically sound procedures. Social media requires a different mind-set to traditional investigative and current forensic methodologies. 

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Forensic Falls

June 17, 2014 8:21 am | Comments

Forensic field investigators are prime candidates for slips and falls. Processing a crime scene places personnel in proximity to many hazards.                               

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Protecting Privacy and the Crime Scene

June 13, 2014 8:42 am | Comments

Often at a crime scene, a member of the public or the first responding officer will try to protect the dignity and privacy of the victim by covering the body with whatever sheet or blanket is readily available from a residence or vehicle. While this impulse is understandable, it can create problems.

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Four Reasons You Should Not Dry Evidence in a Fume Hood

June 11, 2014 8:32 am | by Kelly Williams | Labconco Corporation | Comments

If you are currently drying evidence in a fume hood, it might be time to consider obtaining an Evidence Drying Cabinet instead. Evidence Drying Cabinets (EDCs) are designed specifically to dry evidence in a secure environment too not only protect the evidence from cross contamination, but to maintain proper chain of custody.

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Compensate Fairly for Staff Engagement

June 10, 2014 8:43 am | Comments

Many companies diligently strive to create attractive incentive programs in an effort to engage and retain staff. Unfortunately, these efforts actually may be counter-productive to accomplishing these goals.            

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Use Check Lists to Manage Crime Scenes

June 6, 2014 8:42 am | Comments

Checklists are great tools for helping you manage complex crime scenes. By using a checklist, you can track the steps you need to take to do your job correctly.                         

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Introduction to Forensic Image Processing

June 4, 2014 8:15 am | by Marcus Borengasser, Ph.D. | Comments

Forensic image processing (FIP) involves the computer restoration and enhancement of surveillance imagery. The goal of FIP is to maximize information extraction from surveillance imagery, especially imagery that is noisy, incomplete, or over/under exposed. FIP techniques can be applied to various types of images, such as retinal images, shoe impression images, UAV (unmanned aerial vehicle) infrared images, and more.  

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Safety Performance Management

June 3, 2014 8:33 am | Comments

This can be thought of as the measurable actions of employees in relation to safety in their work. Performance measurement should reflect how workers (management and workers alike) are actually doing compared to applicable regulatory requirements and identified corporate goals.

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Dusting Surfaces to Get Prints

May 30, 2014 8:53 am | Comments

When you find dust fingerprints and footprints, collect them with an electrostatic dust lifter such as the PathFinder.                                     

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"Open to Dispute": CODIS STR Loci as Private Medical Information

May 28, 2014 8:27 am | by David Kaye, J.D., M.A. | Comments

For nearly 25 years, advocacy groups and legal scholars have been predicting that the day when the DNA features used in forensic identification will reveal predispositions to diseases or behavioral traits is just around the corner. Questions such as these were mooted by a panel at ISHI last October. Although I cannot presume to speak for the other panelists, I can offer three recommendations of my own.

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