The restaurants are also meeting places for North Korean intelligence officers and North Korean agents. Officials, businessmen, and overseas workers also frequent the restaurants to recruit targets for foreign intelligence services, including the Central Intelligence Agency (CIA), China's Ministry of State Security, and South Korea's National Intelligence Service, as well as other spy agencies.

Around 7 in the evening, Oliver and I went to the Chinese Restaurant on top of Al Guhrair Center as scheduled. I told Oliver to go inside the restaurant alone, and I waited on the mezzanine floor where I purchased a cup of espresso coffee. Five minutes had passed, and I received a call from Oliver...