The Tarrant County Medical Examiner Forensic Laboratory has two divisions:  Chemistry/Toxicology Laboratory, and Crime Laboratory (consisting of Evidence Department, DNA/Forensic Biology, Firearms/Toolmarks, and Latent Prints).  The laboratories analyze evidence submitted by law enforcement agencies for criminal cases, as well as by the TCME pathologists to assist in determining cause and manner of death.

To learn more about each section of the Forensic Laboratory follow the links below:

• DNA/Forensic Biology
• Drug Chemistry/Toxicology
• Evidence Department
  
• Firearms/Toolmarks
• Latent Prints

For law enforcement or other agencies wanting to submit evidence to TCME for analysis, a Chain of Custody form and Retest by Court Order form can be downloaded by clicking on the links below.  Also available are a Lab Services Handbook and Quality Management documents.    

• Download a Chain of Custody
• Download a Retest by Court Order form
• Download a Laboratory Services Handbook
  

Forensic Lab Services Quality Management Documents

• DNA Laboratory Quality Assurance Protocols
• Forensic Laboratory Services Quality Manual
• Forensic Laboratory Services Administrative Procedures
• Forensic Laboratory Evidence Handling Procedures