Intruders Beware! Subway’s New Security System Sprays DNA on Robbers

A Subway restaurant in Tennessee has deployed the Intruder Security System to deter burglars and violent crimes.

KNOXVILLE, Tenn. – A Tennessee-based Subway restaurant has deployed a new security system that sprays synthetic DNA on intruders.

The Knoxville, Tenn.-based franchise has implemented the Intruder Security System, which is produced by company SelectDNA, reports.

A device is placed above the door of the restaurant. If someone breaks into the store, he or she will trigger the device, prompting the mechanism to release a spray of traceable DNA onto the intruder.

“It’s another tool in our tool bag to help fight crime, especially violent crime, which is what a robbery is,” Knoxville Police Department Deputy Chief Gary Holliday told


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