August 3, 2026

New California Law Expands Use of DNA Technology in Missing Persons Cases

A recent California law now broadens how DNA technology is used in missing persons investigations. This new tool aids authorities in identifying unknown individuals and reopening unresolved cases. Governor Gavin Newsom, a Democrat, enacted this measure last month, easing limits on California’s Missing Persons DNA Program.

Expanded Application of DNA Program

Previously focused on identifying deceased individuals, the program now extends its database capabilities to identifying unknown people who are alive. This shift allows state forensic resources to tackle a broader array of investigations.

State Attorney General Rob Bonta emphasized the significance of this change, stating, “Any missing person case—adult, child, MMIP, or otherwise—is one too many. No family should face prolonged uncertainty while waiting for answers.” This development underscores California’s proactive stance on missing persons cases.

Key Supporters and Legislative Changes

The law was authored by Assemblymember James Ramos, also a Democrat, who noted it would make forensic resources more accessible to investigators. “AB 2018 will help all families with missing loved ones receive the answers they need,” Ramos said. The law is particularly significant due to the state’s challenges with Missing and Murdered Indigenous Persons.

The law alters the retention period for certain DNA samples within the state’s system. Previously, DNA from relatives of missing individuals was destroyed after identification. Now, such samples can be retained if there is potential for discovering related remains needing future identification.

Implications for Law Enforcement

The expanded authority aligns with ongoing efforts by Northern California law enforcement and forensic experts who employ modern DNA-analysis techniques on cold cases. Initiatives like the Calaveras Cold Case Task Force, founded in 2020, highlight the benefit of collaborative efforts among local law enforcement and scientific experts in pursuing new leads through advanced forensic methods.

Supporters of this law believe these changes will lower barriers for local investigators and enhance the possibility for families of missing persons to eventually learn the fate of their loved ones. Such developments provide a promising outlook for those seeking justice and closure.

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