Meanwhile, former employees and experts expressed concern about the company's practices abroad. "They started in countries quite often where people really are desperate for money," said Martha Bennett, vice president and principal analyst at the global research and advisory firm Forrester.

“If the narratives presented in these interviews reflect what actually happened to those whom I interviewed, I can see how they were injured and how and why their symptoms arose,” the psychiatrist wrote.

In other words, the standard required incarcerated plaintiffs to marshal proof of something ineffable — a prison official's inner thoughts.