The National DNA Collection Gap
 

Missing DNA.  

Missed Connections.

Unsolved Crimes.

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Across the United States, DNA samples from qualifying offenders have gone uncollected, untested, or unentered into the Combined DNA Index System (CODIS). These omissions can delay identification of perpetrators, obscure connections between crimes, and leave families waiting for answers. This resource library brings together documented cold case breakthroughs, investigative reporting, scientific research, and policy resources on lawfully owed DNA.

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