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Bill Summary · SB 1660

Legislative bill overview

SB 1660 establishes mandatory retention and preservation requirements for toxicological evidence collected in intoxication-related criminal cases in Texas. The bill specifies timelines and procedures for how law enforcement and laboratories must store biological samples and test results to ensure evidence integrity for potential appeals, retrials, or post-conviction proceedings.

Why is this important

Toxicological evidence in DUI, DWI, and other intoxication cases is critical to proving guilt or innocence, yet evidence degradation, loss, or improper storage has historically compromised defendants' ability to conduct independent testing or challenge prosecutorial evidence. This bill creates accountability mechanisms and preservation standards that affect both the accused's rights and the criminal justice system's evidentiary reliability.

Potential points of contention

  • Storage costs and resource burden: Law enforcement and crime laboratories may face significant expenses maintaining proper chain-of-custody procedures and storage facilities for biological samples over extended retention periods
  • Competing privacy interests: Retaining biological samples raises questions about long-term storage of genetic material and personal health information, particularly concerning data security and secondary use
  • Retroactivity implications: Unclear whether the bill applies to cases already closed or only prospectively, potentially creating confusion about which cases qualify for evidence preservation requests

Compiled from official sources — confirm details with the bill’s official record.

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