Crown Prince Mohammed bin Naif bin Abdulaziz, Deputy Premier and Minister of Interior met at the Ministry here today Director of United States National Security Agency, Navy Admiral Michael S. Rogers and his accompanying delegation. During the meeting, they discussed a number of security issues of mutual interest, including enhancing joint cooperation to combat extremism and terrorism. The meeting was attended by Prince Abdulaziz bin Saud bin Naif bin Abdulaziz, Advisor to Minister of Interior, Deputy Minister of Interior Abdulrahman bin Ali Al-Rubai'an, Deputy Director General of General Investigation Lieutenant General Abdullah Al-Qarni and Chargé d'Affaires of the United States Embassy to the Kingdom Christopher Henzel.