Truecrypt link to Paul le roux
There is a story in today's London Times that Paul le roux a drug trafficker awaiting sentencing in the US was the/a developer of truecrypt. He s arrested in 2014 the same year truecrypt was discontinued.
There's a ton of information here: https://magazine.atavist.com/the-mastermind, and it seems there's a book coming out or already out by the same name (Mastermind).