Crime Laboratory
Crime Laboratory Division Overview
Crime Laboratory Division Overview
The DPS crime laboratories provide expert forensic laboratory services including scientific analysis, management of statewide technical programs, assistance with scientific investigations, expert testimony, and other related forensic services for the state of Texas. DPS is also required to develop the DNA profile of every convicted felon in the state and arrestees charged with a qualifying offense, and to enter those profiles into the FBI-sponsored Combined DNA Index System (CODIS).
Forensic Testing Services
Forensic Testing Services
Forensic testing services include trace evidence (i.e., hair, fibers, paint, glass, gunshot residue, shoe prints, tire impressions, etc.), biological evidence/DNA, seized drugs, blood alcohol, fire debris, firearms and toolmarks, toxicology, friction ridge and AFIS, forensic document examinations, and digital/multimedia evidence.
Statewide Breath Alcohol Testing
Statewide Breath Alcohol Testing
The Texas Department of Public Safety and its Office of the Scientific Director (OSD) are legislatively mandated to develop rules and regulations for breath alcohol testing statewide. Forensic Scientists, certified as Technical Supervisors under the direction of OSD, administer all aspects of the breath alcohol testing and breath alcohol calibration. Law enforcement personnel from local and statewide agencies are certified by the OSD to use the breath alcohol testing instrumentation in criminal investigations.
Statewide CODIS DNA Database
Statewide CODIS DNA Database
Texas DPS is charged with implementing the Combined DNA Index System (CODIS) in the state of Texas. The State CODIS Program is responsible for recording DNA data, and establishing and maintaining a computerized database that serves as the state's central depository for DNA records.