In most cases, to be imprisoned in Syria is to disappear. Tens of thousands of people, if not more, have been unlawfully taken prisoner or held incommunicado in the context of the Syrian conflict. This policy paper examines the dark reality of detentions in Syria, its impact on those who are detained and their families, and recommends a set of urgent steps that should be taken to assist families in obtaining information about the whereabouts of their loved ones, gaining access to them, and achieving their prompt release.