Teen charged in 5-year-old cousin's murder

Teen charged in 5-year-old cousin's murder

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SUNY researchers develop crime scene tool

ALBANY, N.Y. (AP) -- Researchers at the State University at Albany report developing a fast, accurate method for crime scene investigators to detect and recover gunshot residue from a crime scene or suspect.

According to the university, researchers Igor Lednev and Justin Bueno have developed an approach that combines tape lifting and infrared spectroscopic imaging.

When a gun is fired, particles from the bullet are discharged onto the shooter's hands and clothes, nearby furniture, and other surfaces.

That residue can show where a gun was fired and who was nearby.

The chemists' method creates a molecular so-called "fingerprint" identifying a wider range of residue material than typically used.

Their findings appear this month in the American Chemical Society journal Analytical Chemistry.
   AP-WF-03-30-14 1904GMT
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