laws differ, but police getting people to talk is pretty universal across the world - get a confession, case closed, less work to do. he's innocent? who cares, that's justice work now.

IANAL of course, but it would depend on what the courts have ruled on non-incrimination. But in terms of law-enforcement, it's hard to imagine that the possible errors/misunderstandings that the professor describes here would also not apply to any law enforcement bureaucracy (the tendency for authorities to mistakenly remember things, and the intense pressure not to admit mistakes, to the detriment of the accused)