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Bill

HB 301

Criminal Procedure - Forensic Genetic Genealogical DNA Analysis and Search - Affidavit for Judicial Authorization

2025 Regular Session Introduced by David Moon

Maryland now requires law enforcement to obtain judicial authorization through affidavit before using forensic genetic genealogy in criminal investigations, establishing oversight for previously unregulated DNA searches.

Approved by the Governor - Chapter 135
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Bill Summary · HB 301

Legislative bill overview

HB 301 establishes a formal legal framework requiring law enforcement to obtain judicial authorization via affidavit before conducting forensic genetic genealogical DNA searches in criminal investigations. The bill sets procedural requirements for how and when this investigative technique can be used, creating oversight mechanisms for a previously less-regulated practice.

Why is this important

Forensic genetic genealogy has become a powerful investigative tool (famously used in cases like the Golden State Killer), but it operates in a legal gray area with minimal oversight. This bill directly impacts citizens' privacy rights and law enforcement's investigative capabilities by requiring judicial review before accessing genetic databases, balancing crime-solving effectiveness against Fourth Amendment concerns about warrantless genetic searches.

Potential points of contention

  • Privacy advocates' concern: Requiring only an affidavit rather than a traditional warrant may be viewed as insufficient protection for genetic information, which reveals sensitive health and familial data
  • Law enforcement perspective: Mandatory judicial authorization could slow criminal investigations and make it harder to solve cold cases where genealogical DNA matching is the only viable lead
  • Database company implications: The bill may create friction with private genealogy companies regarding data access protocols and their liability for assisting searches

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

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