· National authorities and leaders of armed groups, in particular those allegedly involved in violations (to the extent that they can be accessed without undue security risks for the investigation or its sources).98 · The refugee or internally displaced population – in light of their having fled areas where hostilities took place and their ability to describe those who may have been responsible. Human rights officers investigate violations. UN Photo / Marco Dormino 98 What may be referred to as self-incriminating information in criminal proceedings (sometimes referred to as “admissions against interest”), provided by national authorities, armed group leaders and suspected individuals, whether in public or private, has a high probative value. It may indicate their knowledge of relevant facts and perhaps even orders (whether direct or implied) to commit violations. When interviewing such individuals, human rights investigations should generally not volunteer assurances that the interview will be kept confidential. COLLECTING AND ANALYSING THE INFORMATION 53