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Trace evidence

Overview

Small amounts of chemicals, such as gunshot residue or explosives, can remain on a suspect’s hands or clothing. Bits of fiber, strands of hair, flecks of paint, or shards of glass are also often left at a crime scene or carried away from it. These are examples of trace evidence, and forensic scientists can use them to link items or suspects to a crime.

What we do

We develop methods for accurately detecting, measuring, and analyzing very small fragments and quantities of evidence, and we produce standard reference materials and data to help forensic laboratories validate the accuracy of their methods and measurements.

The Research

Projects & Programs

Measurement Standards

Ongoing
The use of standards is considered a critical component in the assurance of analytical quality, allowing reliable measures of detection limits, accuracy, and

Additional Resources Links

News

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A Smart Use for Doping: Implanted Atoms Create Unique Electrical IDs That Distinguish Bona Fide Devices From Forgeries

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Forensic Science Organization to Draft Standards for Sexual Assault Examinations

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K9 Chemistry: A Safer Way to Train Detection Dogs

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