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Most people will be honest. And incorrect. Honest incorrectness isn’t the same thing as lying, but it amounts to the same thing when you’re talking about witnesses to a specific event. A relative minority will limit themselves to reporting what they actually saw, not things that they have filled in by assumption, or memories contaminated by too much exposure to other points of view. Of that relative minority, even fewer will be the kind of person who, by natural inclination or possibly training, has the capacity for noticing and retaining a large amount of detail in a limited amount of time.
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