Yes thank you, I read it. I was speaking generally ("cases like this"), as there are many similar cases from the era. And these are the cases that actually went

Yes thank you, I read it. I was speaking generally ("cases like this"), as there are many similar cases from the era. And these are the cases that actually went to trial, instead of ending in mob justice. Even in this case, if the concession was coerced, that still means the real killer remained free. Now whether the interviewer one they were coercing a false confession or not is not clear. But either way getting a false confession is pretty counterproductive to actually solving a case, and bad police work. Unless your real goal is not the truth, but to blame the "right" person, regardless of guilt.