How do you know a murderous huckster, fraud and thief with certainty?

The god gave it to me trope.

The Root of Evil - POLITICAL PONEROLOGY - by Andrew Lobaczewski - Forward
https://www.youtube.com/watch?v=cU8IGAoEZ4I&list=PLGl3GO2Q6l64Z3jruralAtsi5esuwYsIw