Tagging intruders with DNA
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The DNA fog tagging system can mark an intruder without their knowledge, making it easier for police to identify them later.
DNA marking has already been in use by law enforcement agencies, with the most common use being to mark persons of interest at riots. The new system will be a bit more general, and will be meant to help stop and identify an intruder. Called DNA Fog, the device will fill a room with smoke and DNA-loaded droplets when triggered by a break-in. More than just confuse the intruder, the DNA will mark them for later identification if they are caught.
The DNA sequence can be altered, so each building or business can have their own unique code, if desired.