SPRINGFIELD, Mass. (AP) — Hampden County's district attorney has established a DNA unit to get the best forensic evidence tested and processed quickly.

The Republican reports (http://bit.ly/Wk94M3 ) that DA Mark Mastroianni's office has been looking at several older, unsolved murders to see if they have forensic evidence which could help solve a case if they are retested with newer methods.

Mastroianni says establishing the DNA unit was not prompted by a specific case, but is to streamline the evidence process.

He says the unit's work will to develop a DNA database for his office's cases that would be linked to the state forensics lab and other state and national criminal databases..

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Information from: The Springfield (Mass.) Republican, http://www.masslive.com/news/