The border areas in most Arab countries have turned into unstable areas, as they have become a crossing point and a source of threats such as cross-border terrorism, arms smuggling and illegal immigration. The issue of border protection and control has become a very sensitive and vital matter for the Qatari and regional security of the Algerian state through asymmetric threats from the unstable neighborhood, which caused a security chaos due to the unstable security situation, which prompted Algeria to close its land border borders, except for its borders with Tunisia. The importance of the study is highlighted by recognizing that transnational crimes, including terrorist crimes, aim to destabilize states and international security, with ...