They compiled dossiers on public figures such as ex-Minister David Davis, who questioned the modelling behind alarming death toll predictions, as well as journalists such as Peter Hitchens and Toby Young. Their dissenting views were then reported back to No 10.’

‘Documents obtained by the civil liberties group Big Brother Watch, and shared exclusively with this newspaper, exposed the work of Government cells such as the Counter Disinformation Unit, based in the Department for Digital, Culture, Media and Sport, and the Rapid Response Unit in the Cabinet Office.’

But the most secretive is the MoD’s 77th Brigade, which deploys ‘non-lethal engagement and legitimate non-military levers as a means to adapt behaviours of adversaries’.

According to a whistleblower who worked for the brigade during the lockdowns, the unit strayed far beyond its remit of targeting foreign powers.

They said that British citizens’ social media accounts were scrutinised – a sinister activity that the Ministry of Defence, in public, repeatedly denied doing.

Papers show the outfits were tasked with countering ‘disinformation’ and ‘harmful narratives… from purported experts’, with civil servants and artificial intelligence deployed to ‘scrape’ social media for keywords such as ‘ventilators’ that would have been of interest.

The information was then used to orchestrate Government responses to criticisms of policies such as the stay-at-home order, when police were given power to issue fines and break up gatherings.

It also allowed Ministers to push social media platforms to remove posts and promote Government-approved lines.’