Pulse. According to Mustapha Maihaja was relieved of his role as boss of NEMA. While trying to settle into his new role, Maihaji's successor Muhammadu Mohammed wrote to the new employers, informing them that their appointment was illegal because some civil service regulations were not followed. Mohammed said he had ordered an investigation into the appointments. Director-General of the National Emergency Management Agency (NEMA), AVM Muhammadu Muhammed (Rtd). [Twitter/@nemanigeria] Pulse Nigeria Afterwards, NEMA Deputy Director, Musa Zakari, told the affected staff that “the outcome of the investigation shows that the laid down rules and regulations guiding recruitment into the civil service were not duly exhausted, thereby vitiating the whole process and its outcome."