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https://www.nist.gov/law-enforcement

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Public safety

# Law enforcement

## News and Updates

### Spotlight: Forensics Videos and App for Collecting Trace Evidence

January 8, 2024

### Researchers Analyze THC in Breath of Cannabis Smokers

May 22, 2023

### Step Inside the National Software Reference Library

October 18, 2022

View All News and Updates

## Events

### 5x5: The Public Safety Innovation Summit

View All Events

## Projects and Programs

### Forensic Chemistry

### Glass Evidence Analysis

### Training for Screeners and Lab Staff

### Personal Body Armor

View All Projects/Programs

## Publications

### Field-Deployable Devices

January 1, 2023

Thomas P.  Forbes

### Effects of Thermal Aging on Molar Mass of Ultra-High Molar Mass Polyethylene Fibers

March 24, 2022

Zois  TsinasSara  OrskiLorelis  Gonzalez-LopezAmanda L.  Forster

### On the Use of Lookahead to Improve Wi-Fi Fingerprinting Indoor Localization Accuracy

November 29, 2021

Lu  ShiNader  MoayeriChang  Li

### Temperature-insensitive silicone composites as ballistic witness materials: the impact of water content on the thermophysical properties

July 28, 2021

Ran  TaoFan  ZhangHuong Giang  NguyenAmanda L.  ForsterAaron M.  Forster

## Tools and Instruments

### Cabinet x-ray system

### X-ray Backscatter Systems

### Large Aperture Scanner

### 4 m Drop Tower with Instrumented Impactor

View All Tools & Instruments

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