The Nigerian Immigration Service (NIS) in Plateau State has identified cases of foreign nationals overstaying their temporary work permits.Comptroller CIS Mary Abang revealed during a meeting with Governor Caleb Mutfwang that undocumented migrants, some of whom stayed over a year past their 30-day permits, are being targeted through intensified patrols and intelligence-based surveillance.Abang appealed for logistical support like motorcycles to access remote areas where illegal migrants are often found.Governor Mutfwang pledged state government backing for the NIS, emphasizing collaboration on border management and security.The governor highlighted the importance of migration control in combating transnational crimes and security threats.The NIS is seeking permanent headquarters and operational vehicles to enhance enforcement efforts.The case underscores the challenges of managing irregular migration while safeguarding national sovereignty.