The Problem with a Perfect Witness
Article by Ayman Fouad Abdelgawad
Imagine a listener who expects a credible account to arrive in perfect order. Dates are recalled immediately. No detail changes. The speaker is composed enough to be clear and affected enough to seem sincere.
This imaginary standard is attractive because it promises an easy route through uncertainty. If truthful people behave recognisably, the listener can judge the account by judging the performance.
But the expectation asks a great deal before any evidence has been considered. A person may be precise about the central event and uncertain about its sequence. They may correct a detail because accuracy matters to them. None of these possibilities establishes truthfulness, but neither does it justify automatic disbelief.
The opposite shortcut is dangerous too. Distress does not prove an allegation, and a coherent story can be mistaken. Fair assessment needs more than sympathy for one manner of speaking or suspicion of another.
The work lies in separating questions. Which parts of the account are directly remembered? Which are inferred? What independent material supports or contradicts them? Does an inconsistency concern the central issue or something peripheral? These questions take longer than an impression of confidence, but they make the reasoning discussable.
A careful listener should also make room for correction without treating every correction as a confession of dishonesty. Otherwise people are encouraged to defend their first wording after discovering it was inaccurate.
The aim is not to remove judgement from the assessment. It is to prevent an imagined ideal of human composure from doing the work that evidence should do. A person should not have to sound as though nothing happened in order to be heard about what happened.