MONITORING PLACES OF DETENTION : A PRACTICAL GUIDE 32 object without the prior agreement of the authorities. They should display their identity by wearing a badge or other means of identification. Regarding the security of the detainees visited, the visitor should consider how to use information in such a way as not to put individuals at risk. Visitors should make repeat visits and meet again most of the detainees seen previously to make sure they have not suffered reprisals. 8. Be consistent, persistent and patient The legitimacy of the visiting mechanism is established over time, mainly as a result of the relevance, persistence and consistency of its work. Monitoring places of detention requires efficiency, regularity and continuity. It implies visiting regularly the same places, and building up enough evidence to draw well founded conclusions and make recommendations. It is essential to be persistent also in the follow-up activities. 9. Be accurate and precise During the on-site visit it is important to collect sound and precise information in order to be able to draft welldocumented reports and relevant recommendations. 10. Be sensitive Particularly when interviewing detainees, visitors should be sensitive to the situation, mood and needs of the individual, as well as to the need to take the necessary steps to protect his or her security. In cases of allegations of torture and ill-treatment, visitors should be aware of the problems of retraumatization (see Chapter IV: torture and ill-treatment).