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a bloody knife, which is an example of priority evidence from a violent crime scene.

Probative Value and Prioritization

Limiting Cases Submitted

Some laboratories may determine that the best use of resources is to limit analyses to only the most serious cases, thus implementing a case acceptance policy that, for example, only allows for submission of murder and sexual assault cases.11, 12

Other laboratories may be more inclusive and exclude only certain crimes or types of evidence such as DNA analysis requested on drug packaging.

11 DNA Laws Database Table PDF download: 696kB • Visit the National Conference of State Legislatures »
12 Washington Senate Bill 5240 PDF download: 76kB • Visit the Washington State Legislature »


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