New evidence suggests that Manning, Snowden, and Assange each used a powerful tool called monospace fonts.
— Parker Higgins (@xor) February 10, 2014
It sounds just like the nonsense coming out of the FBI and Mike Rogers. It reminds me of the customs agent (?) who was sure he had a cybercriminal because the guy's laptop ran Linux and showed a terminal “like hackers' computers have.1”
For extra fun you can read the whole tweet conversation. Some of the replies are just as funny.
That's a story from a few years ago. Sadly, I can't find a link to it.