Tesco self-checkout already has facial recognition connected to other local stores (including those of other major supermarkets), so this probably isn't needed.

If you were stupid enough to steal a pack of gum (some of my family are) you'll quickly find iyou're unable to buy groceries from any store in your area [1].

[1] https://bigbrotherwatch.org.uk/blog/the-spectator-has-your-l...