Photos: Chairman/Chief Executive Officer of the National Drug Law Enforcement Agency, NDLEA, Brig. Gen. Mohamed Buba Marwa (Retd), CON, OFR, as Guest Lecturer at the 2022 Annual Olumide Memorial Lecture of the Nigerian Institution of Surveyors, NIS, on Thursday 27th October, 2022 At Chida International Hotel, Utako, Abuja.