original source: https://youtu.be/Us979jCjHu8?t=42m8s
Psychology Professor Dr. Jordan B. Peterson explains how psychopaths can trick you with a false sense of confidence and pretending to have the upper hand in situations.
The example video of Paul Bernardo can be found here:
https://www.youtube.com/watch?v=hLTAjW5Twlk

Dr. Peterson's new book is available for pre-order:
12 Rules for Life: An Antidote to Chaos: http://amzn.to/2yvJf9L

If you want to support Dr. Peterson, here is his Patreon:
https://www.patreon.com/jordanbpeterson

Check out Jordan Peterson's Self Authoring Program, a powerful tool to sort yourself out:
http://bit.ly/selfAuth (Official affiliate link for Bite-sized Philosophy)