Crime Laboratory Notifications
NOTICE: DPS Crime Laboratory has released an important notice regarding requirements for in-person evidence submissions starting September 1, 2025 (Customer Notification)
General
- DPS Crime Laboratory Data Breach (Customer Notification) January 2025
- Crime Lab Records (CLR) Connect Newsletter Issue 7 now available (Newsletter)
- The DPS Crime Laboratory has released an important notice regarding Crime Scene Response services. (Customer Notification) June 24, 2020
Seized Drugs
- The DPS Crime Laboratory has released a notification regarding the analysis and reporting of vape cartridge cases and THCA/THC. (Customer Notification) July 2, 2025
- Lithium battery removal required for ALL Seized Drugs evidence. (Customer Notification) January 31, 2024
- The DPS Crime Laboratory has released an important notice regarding oils and vape cartridge testing services. (Customer Notification) September 1, 2022
- The DPS Crime Laboratory has released an important notice regarding corrections to measurement uncertainty for seized drug weights. (Customer Notification) March 1, 2021
- The DPS Crime Laboratory has released an important notice regarding Marihuana testing services. (Customer Notification) October 23, 2020
- The DPS Crime Laboratory has released an important THC testing methodology update. (Customer Notification) February 18, 2020
- Laboratory testing of marijuana and THC is discussed as related to House Bill 1325 known as the "Hemp Bill" enacted on June 10, 2019. Statement regarding DPS Crime Laboratory current capabilities for testing marijuana and THC (July 23, 2019)
Toxicology
- DPS Toxicology and Blood Alcohol Collection Kits REQUIREMENT effective September 15, 2024 (Customer Notification)
- The DPS Crime Laboratory has released updated information regarding Toxicology (Alcohol/Volatiles) testing service areas. (Customer Notification) December 28, 2020
- (RECALL NOTICE) – Vendor provided blood tubes that were added to DPS blood kits with an expiration date of July 31, 2020 may have been affected by this recall. Please ensure that you check kit prior to using it to collect evidence. DPS Notification and Guidance for Recalled Blood Tubes June 25, 2019
DNA
- The DPS Crime Laboratory has released a notification regarding DNA vendor performance issues related to the Qiagen EZ1/EZ2 Investigator extraction kits. (Customer Notification) June 2025
- Crime Laboratory has released an important notice, DPS self-Disclosure in State v. Criner. (Koehler Notification) October 02, 2019
- Statutory changes via HB1399, 86th Legislature, effective September 1, 2019, require that individuals arrested for certain felony charges submit a DNA sample to the Texas DPS CODIS (Combined DNA Index System) Program.
- DNA Interpretation and CPI Letter from Deputy Assistant Director Mills (09/10/2015)
- DNA Notification Letter NIST 1036 Database Change Related to Statistics from Assistant Division Director Mills (09/08/2017)
- List of DNA cases that used NIST 1036 Database (2/24/2016 to 07/27/2017)
Firearms and Toolmarks
- NIBIN Customer Communication Letter from Laboratory Director Mills – Effective 1/1/2019 (12/18/2018)
Trace Evidence
- The DPS Crime Laboratory has released a Frequently Asked Questions document regarding Gunshot Primer Residue Kit submissions (Customer Notification) May 31, 2024
- The DPS Crime Laboratory has released an important notice regarding Gunshot Primer Residue Kit submissions. (Customer Notification) July 22, 2022