These guys are foreigners and they are not originally British and they are the ones that are usually hostile towards other people in the country.
They are so entitled and believe they are more British than you as a foreigner. They brought their own cultural dysfunctions into the country and are more likely to be abusive and violently racist towards other ethnic minorities in the country.
Failure to produce receipt is not a presumption of theft, rather the fact that he left the store hitched free is a believed that he paid for those items
This is so sad. Those employees and their employers @tescofood should pay for the legal consequences.