Classified information is regularly published in the news media, including through Apple News. Bomb making instructions are available in books on the iTunes St

Classified information is regularly published in the news media, including through Apple News. Bomb making instructions are available in books on the iTunes Store. https://itunes.apple.com/us/book/u-s-army-special-forces-guide-to-unconventional-warfare/id1448347645?mt=11 https://itunes.apple.com/us/book/u-s-army-special-forces-gui... In general you can legally publish pretty much anything in the USA besides child porn or copyright infringement, everywhere else has stricter laws though.