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
Senate Bill 74 of the 61st Legislature in 1969 provides that analysis of a person’s breath to determine alcohol concentration must be performed according to methods approved by the Texas Department of Public Safety and by an individual possessing a valid certificate issued by the Department for this purpose. The Office of the Scientific Director, DPS Crime Laboratory, to administer these regulations and qualifications.
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.