4 men on a train

There were 4 men in a train an American a Russian, an Englishman and a Pakistani.
The discussion of jobs came about and the American said I'm a CIA Agent, the Russian said I'm a KGB agent, the Brit said I'm a MI5 agent and the Pakistani stated
The discussion of jobs came about and the American said I'm a CIA Agent, the Russian said I'm a KGB agent, the Brit said I'm a MI5 agent and the Pakistani stated
Spoiler: