Tag! You're it!...

The 'SelectDNA' company has a novel product - the 'High Velocity DNA Tagging System'. The non-leathal air gun shoots pellets of synthetic DNA. The DNA can be used later to identify an individual as being at the location of the tagging up to two weeks later.

Read more about it via SelectDNA:

www.selectadna.co.uk/selectadna-high-velocity-dna-tagging-system.html