They went after Phil Luty for publishing designs for home built submachine guns.
Different country though. I am happy to argue the rights people should have everywhere, but the UK doesn't have the same legal structure the US does and UK citizens in the UK do not have the same rights Americans do.
And they went after him for building submachine guns...
I am sure the publishing part was the cherry on top of that cake, but that wasn't all he was charged with.