Link [1] to the original text in French; the passage that has been translated begins on page 211.

[1] http://fr.wikisource.org/wiki/M%C3%A9moires_%28Vidocq%29/Cha...

It seems the article by Rosie Cima was published earlier (Mar 5, 2015) and with more content:

http://priceonomics.com/the-email-scam-with-centuries-of-his...

The post to which we comment here doesn't seem to have anything new, and it seems it's from May?

So, a 419?