I should mention that actual watermarks in digital media (images, audio, video, etc.) will not be removed by recompressing the media. These watermarks are spec

I should mention that actual watermarks in digital media (images, audio, video, etc.) will not be removed by recompressing the media. These watermarks are specifically designed to remain readable through compression and simple transformations. This technology is widely available commercially, so presumably the government has even more robust versions.