"The establishment of the honesty or dishonesty of a person giving testimony inflicts constant dilemmas on authorities participating in criminal procedures. The concerned authorities must continuously examine the trustworthiness of the accused and the witnesses so that the court shall not have to face the possibility, before making their decision, that some of the available evidence is “poor” or “fake” (Tremmel, 2006) as the testimonies given by the accused and the witness failed to stand up to examination. It is necessary to check the credibility of testimonies not only in the judicial procedure but also during the investigation phase, according to the recommendations of criminal tactics."(...)