Criminal Investigation Lab

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Thank You For Your Interest in the Bexar County Crime Lab

Please note that we only accept evidence submissions from law enforcement agencies or by Court order.

Notice to Non-Bexar County Agencies

Due to current demand and limited resources, the Bexar County Criminal Investigation Laboratory will no longer accept submissions of evidence from new agencies until further notice. Additionally, requests from non-Bexar County agencies that have historically utilized the services of the Bexar County Criminal Investigation Laboratory but have not submitted evidence since April 1, 2020, will no longer be accepted.

The Criminal Investigation Laboratory is an independent forensic laboratory operated by Bexar County in San Antonio, Texas. We offer services in:

  • Drug Identification
  • Firearms
  • Serology/DNA
  • Primer Gunshot Residue