the bbc has discovered that covid passes are being advertised for sale on social media to people who have not been vaccinated. cyber investigators have also found sellers on the dark web claiming to provide coronavirus documentation that has been added to the nhs database. our business correspondent caroline davies has the story. weapons, drugs and stolen goods, but the dark web has a new item for sale. covid vaccination passes. it is selling them for countries ranging from the us, uk, russia, france, switzerland, greece, all the way through to latvia, morocco, austria, estonia. jonathan benton runs a cyber crime investigations company. his team have found multiple sellers claiming to sell covid passes from around the world. we were finding passes, certificates, cards, vaccine cards, a choice of, uh, even down to a choice of what vaccine you wanted