The sad tale of Ross Ulbricht and his on-line drug bazaar called Silk Road is a good study of the outer limits of how far rationalization can carry a person.
It is also a frightening illustration of Jeremiah 17:9. From the New International Version, ponder:
The heart is deceitful above all thing and beyond cure. Who can understand it?
Considering the tale of Silk Road is useful for accountants wanting to learn about the outer fringe of the internet and he investigative power of the federal government, believers who would like an illustration of the frightening level of deceit that lives in the human heart, and anyone else wanting to learn more about the dark worlds that normal people will never see.
My posts are gathered into two collections on my other blog, Outrun Change: