Subway Implements New Security System That Sprays DNA on Robbers

In the new, maybe-gross system, authorities shine black light on possible criminals, looking for DNA traces. Subway is rolling out a new security system to protect its tens of thousands of franchisees across the country, according to WATE. The Intruder Security System, produced by company SelectDNA, has been implemented in a Knoxville, Tenn. Subway store, the first of many planned installations by the Connecticut-based sandwich shop.

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