"Clive R. Boddy, most recently a professor at the Nottingham Business School at Nottingham Trent University re: Psychopaths on Wall Street.
It's an oversimplification of all involved in the Wall Street scamsas I see it.
Most, though certainly not all, you will find, are High-Normal-High-Autistics according to the teachings of Humm-Wadsworth -- a great, quick key into the personality for those dealing with a near-endless stream of psych patients.
What turned the larger proportion of these guys into "psychotic-like" behavior were 1/ an irresponsible loosening of rules in finance, 2/ resulting wolfpack like behavior.