These are the most difficult subjects to deal with. Find out the reasons for their personality. The cause may be trauma, shock, fear, hatred, and others. Remove these fetters of silence and they will start talking. A.Refusal to talk witness B.Deceitful Witness C.Timid Witness D.Disinterested type 72. After all information have been given by the subject, that is the time for the investigator to ask question to clarify him about the case under investigation. A.Rapport B.Inquiry C.Identity D.Conclusion 73. These are liar type of witnesses. Let them lie and order them to repeat several times their narrations. They will be enmeshed in contradictions. A. Deceitful WItness B. Timid Witness C. Boasting, Egoistic, or Egocentric Witnesses D. Refusal to Talk Witnesses explain each