Eye witness testimony is unreliable, but that doesn’t mean it’s always false. It just shouldn’t be the only evidence or the primary evidence in a conviction, as

Eye witness testimony is unreliable, but that doesn’t mean it’s always false. It just shouldn’t be the only evidence or the primary evidence in a conviction, as in this case. But if it’s used to corroborate other known facts that haven’t been revealed to the witness, then it’s still beneficial.