I scoffed a bit at this part: >Try it in Adobe Acrobat (via the “Save as Other” command under “File” on a Mac) and you’ll quickly be redirected to Adobe’s website and presented with a handful of subscription packages that will allow you to transform your documents. [...] Indeed, it’s probably a little safer, all things considered. If I was doing shady stuff the last thing I'd want to do is send my incriminating docum…
To capture incriminating physical mail, the authorities have to already be monitoring you at the time you send the documents. With email they are typically able to go back and capture emails from days, weeks, and years prior.