Ryan Sasson built a business that reaped hundreds of millions of dollars in fees for helping people negotiate down their debts. But former clients — and prosecutors — say it was exploitative.

Read More Suits and Litigation (Civil), Legal Profession, Securities and Commodities Violations, Regulation and Deregulation of Industry, Workplace Environment, Customer Relations, Decisions and Verdicts, Consumer Behavior, Collectors and Collections, Personal Finances, Consumer Financial Protection Bureau, Monroe Parker Securities, Belfort, Jordan Ross