Documentary films / TED talks ... 

What distinguishes impostors, con artists, and other troublesome individuals, as well as the impact their behavior has on society – up to major events such as stock market crashes – is explored in the contributions below.  Some are in German. If needed, activate the subtitles in YouToube. 

Research and general information:
- Robert Hare's «page about psychopathy» ► http://hare.org/
- «White Collar Psychopath» ► Psychopathy in Workplace (Wiki)
- Aftermath Foundation ► www.aftermath-surviving-psychopathy.org

Books:
Hervey Cleckely, M.D.: The Mask of Sanity
(Book as as PDF, 1st Edtion 1941 / 5th Edition 1976)
Robert Hare: Without Conscience
(Amazon Link 1st Edition 1993)
 
... and extract from BBC Dokumentary: ►Link