Forensic DNA and Pennsylvania Q&A

Pennsylvania State Outline

The use of forensic DNA is governed primarily by State legislation and case law and is collected and processed in State and local agencies and laboratories. This page provides or points to answers for the following questions:

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How much Federal funding has Pennsylvania received from the President's DNA Initiative?

Select from the list below to view the funding provided to Pennsylvania by the President's DNA Initiative:

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How many forensic DNA samples from Pennsylvania are in the DNA database?

The number of forensic samples in the Pennsylvania and national DNA databases is constantly changing as new crimes are investigated and changes are made to State laws that require the collection of samples from additional offenders.

The FBI tracks the Number of samples from Pennsylvania in the national database—the National DNA Index System or NDIS.

Learn more about forensic DNA databases.

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Where are samples collected in Pennsylvania analyzed?

State and local laboratories analyze samples collected in Pennsylvania. Some samples may be sent to private laboratories for analysis. 

State Laboratory

Pennsylvania State Police

Local Laboratories

City of Philadelphia Forensic Science Center
Allegheny County Coroner's Office Forensic Laboratory Division

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Who has to submit a forensic DNA sample?

Pennsylvania statutes determine who must submit a DNA sample for inclusion in the database. Find:

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How many forensic DNA samples are awaiting analysis in Pennsylvania?

We are not aware of any online resource that lists the number of samples awaiting analysis in Pennsylvania.

The number of samples awaiting analysis in any State is constantly changing and affected by State statues, available resources, and crimes committed. Thus, measuring the precise number of unanalyzed DNA samples is prohibitively difficult.

Learn more about the causes and impact of the backlog of DNA evidence.

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What case law has affected the use of forensic DNA in Pennsylvania?

Cases decided at the State and local level set precedence for how other court decisions will be reached.

Find updated links to Pennsylvania cases pertaining to forensic DNA as collected by the National Clearinghouse for Science, Technology, and the Law. 

Note: The National Clearinghouse for Science, Technology and Law is a free resource sponsored by the National Institute of Justice. Subscription services may provide more comprehensive collections of full-text case law.

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How many people from Pennsylvania have been exonerated by DNA evidence?

While there is no single online source showing everyone from Pennsylvania exonerated by DNA, the Innocence Project provides profiles of those persons they have helped exonerate (this complete list is sortable by State).

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Are those exonerated entitled to compensation?

State law determines if someone convicted of a crime and then exonerated is entitled to compensation.

Pennsylvania may not require compensation by law. We recommend that you:

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