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Gun Shoots DNA Bullets to Tag Criminals

Wed, 01/30/2013 - 8:47am

DiscoveryCriminals are often caught because they leave their DNA at a crime scene. Now police can catch a criminal by leaving DNA on the suspect.

The technique involves firing a type of paintball gun that shoots a pellet filled with artificial DNA instead of dye. It was built by SelectDNA, a company in the U.K.

The DNA fluoresces when exposed to ultraviolet light, showing that the person was hit with the pellet. Using the DNA would enable police to identify people who participated in riots, for example. That way, police could try rounding up perpetrators after a situation has calmed down.

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Source: Discovery

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