Which is a shame, because it's really important to expose the sort of evil that happens at these places.
Of course, torturers aren't stupid... they've known for a long time that they might end up on the wrong side of a tribunal, or worse. These days you don't get names, you often stay black-bagged and bound, but people still remember voices, they see flashes during moments of struggle or when being "submarined". People remember smells and sensations that meant nothing to them, but which an experienced investigator is trained to recognize.
I'd recommend the book 'Torture and Democracy' to anyone interested in the topic, from any angle at all.