Akhir 18, 1432, March 23, 2011, SPA-- Under the patronage of Prince Naif Ibn Abdulaziz, the Second Deputy Premier and Minister of Interior, Prince Mohammed Ibn Naif Ibn Abdulaziz, Assistant Minister of Interior for Security Affairs attended here today the graduation ceremony of qualification courses of Public Security comprising of 4,066 graduates. In his speech, the Director General of Public Security Lieutenant General Said bin Abdullah Al-Qahtani expressed his thanks to and appreciation of Prince Naif for patronizing the ceremony which affirms the attention and care provided by the Saudi Leadership to security men. Then , Prince Mohammed Ibn Naif opened the Institute of Traffic, Institute of Forensic Science and Prince Mohammed Ibn Naif Olympic Swimming Pool.