Since Truecrypt is mentioned, I am going to use this place to highly recommend the book Mastermind. The that Truecrypt was based on named E4M was written by a man with quite an insane life story. He created a massive criminal enterprise.
> In 2019, Evan Ratliff—who wrote a series of articles about Le Roux for The Atavist Magazine—published The Mastermind, a 446-page account of Le Roux's ventures.
