sentences:  Philip Agee, an American citizen, was employed by the Central Intelligence Agency from 1957 to 1968, holding key positions in the division of the Agency responsible for covert intelligence gathering in foreign countries.In 1974, Agee announced in London that he was launching a "campaign to fight the United States CIA wherever it is operating" and intended "to expose CIA officers and agents and to take the measures necessary to drive them out of the countries where they are operating.