• How did the individual(s) control the area and control any victims during the incident? • Are they aware of anyone who knows more about the incident/individuals, or of any other sources of information that might help the investigation? • Can they identify the administrative, municipal, local council, judicial, police, or other authorities in their area? • Has the witness heard anything that would reveal the underlying motivation of the individual, in particular if such motivation is based on ethnic, racial, gender or other discrimination relevant in international law? For insiders/defectors from military forces, whether State or non-State: • Can they describe their force’s/unit’s structure, organization charts and hierarchies? - Composition, design and purpose - Names (and noms de guerre) of individuals, both those in leadership positions and the rank and file - Types of weaponry and ammunition employed - Uniforms, insignia, other means of identification - Location of base or headquarters (with description) - Explanation of formal and informal command structures - Cooperation with or control over non-State groups in the area • Can they explain the system of passing orders? - How formulated, what content - How circulated (written, oral, code, etc.) - Can they provide examples? • Are they able to recall details of deployments? - Locations, dates - Operations conducted: types, numbers, equipment used - Others entities or individuals involved • Did they ever witness (or take part in) conduct that they believed was of a criminal nature? (Security and rapport considerations permitting.) • Can they describe policies, tactics or strategies that were in place, and how they were implemented? COLLECTING AND ANALYSING THE INFORMATION 61