This book highlights some of the key issues pertinent to the intersection between the protection of migrants in irregular situations and the international human rights law. It analyzes to what extent the current normative framework provides an effective response to the vulnerable situation of irregular migrants, presenting the case of Morocco. In fact the migratory flows into and out of this country are complex and, in some instance, the asylum issue has tended to become linked with irregular movement. In response to these complex patterns of human mobility, maintaining a clear distinction between refugee protection imperatives and migration management strategies becomes a challenge. The central concern of this analysis is to identify and reveal the negative impact of restrictive migration measures on irregular migration and the main features and deficiencies that some countries, as Morocco, recently are experiencing to implement their international obligations in this field and to react to external pressure to manage these flows.