‘Provide details regarding all training you have provided or will provide,’ the IRS demanded. ‘Indicate who has received or will receive the training and submit copies of the training material.’

That question was part of the tax collection agency’s February 14, 2012 letter to Kevin Kookogey. founder of the group Linchpins of Liberty. He had submitted his application 13 months earlier.

‘Can you imagine my responsibility to parents if I disclosed the names of their children to the IRS?’ he asked MailOnline.

It’s ‘an impossible question to answer fully and truthfully,’ he said, ‘without disclosing the names of anyone I ever taught, or would ever teach, including students.’