Kitap 5
7.17
On the other hand in the case of a witness who is reluctant to tell the truth, the essential for successful examination is to extort the truth against his will This can only be done by putting questions which have all the appearance of irrelevance. If this he done, he will give replies which he thinks can do no harm to the party which he favours, and subsequently will be led on from the admissions which he has made to a position which renders it impossible for him to deny the truth of the facts which he is reluctant to state.
7.18
For just as in a set speech we usually collect detached arguments which in themselves seem innocuous to the accused, but taken together prove the case against him, so we must ask the reluctant witness a number of questions relative to acts antecedent or subsequent to the case, places, dates, persons, etcetera, with a view to luring him into some reply which will force him to make the admissions which we desire or to contradict his previous evidence.
7.19
If this fails, we must content ourselves with making it clear that he is reluctant to tell what he knows, and lead him with a view to tripping him up on some point or other, even though it be irrelevant to the case; we must also keep him in the witness-box for an unusual length of time, so that by saying everything that can be said and more than is necessary on behalf of the accused, he may be rendered suspect to the judge. Thus he will do the accused no less harm than if he had told the truth against him.
