State Crime Laboratory

The Wyoming State Crime Laboratory, also known as the Crime Lab, is a multi-disciplinary forensic laboratory.

Forensic science refers to the examination of crime scenes, recovery of evidence, laboratory examinations, interpretation of findings and presentation of the conclusions reached for investigative or intelligence purposes or for use in court. 

This website is intended to provide information regarding the administration and testing services provided to the criminal justice system.

Crime Lab Sections:  





Latent Prints


Statement of Services

Sexual Assault Biological Evidence Mandatory Reporting Notice

Changes in Crime Lab Services as of 5/16/16

Memo on Gun Shot Residue - 4/8/2019

DCI Letter to Chiefs, Sheriffs and Coroners regarding expiration of needles in Toxicology Blood Collection Kits

DCI Letter to Chiefs and Sheriffs Regarding Sexual Assault Kit Submissions

DCI Letter to Chiefs, Sheriffs and Coroners Regarding Toxicology Drug Analysis 

DCI Letter to Chiefs and Sheriffs Regarding NIBIN and Operation Hot Brass

Laboratory Quality Assurance Questionnaire (LQAQ) - Please go to this link to complete and submit a user agency survey. Please let us know how we are doing.

Evidence Submission Form - Please scroll down this page to obtain an Evidence Submission Form. 

3D Crime Scene Data Viewer - In order to view the 3-Dimensional crime scene data that we recovered from your crime scene please go to this link and download the free FARO Reality Viewer. Please be aware, however, that the viewer has specific system requirements that are necessary for the software to run properly. To view a list of the system requirements please follow this link. Here is a photographic example: 

Scott McWilliams

Deputy Director, 

State Crime Lab

Laboratory administration and technical staff may be contacted at: (307) 777-7607

Quality Assurance - (307) 777-6611