The Trump administration's unveiling Tuesday of more than 2,000 documents related to the assassination of President John F. Kennedy set off a scramble for any scraps of revelatory information. The newly unredacted files reveal details about CIA agents and operations that the agency kept secret for decades. [A] 1964 document delves into the CIA's operations out of Mexico City at the time, revealing that the agency had no agents actively operating from Cuba. But the agency had "a number of sources with access to Cuba in third party nationals who are debriefed each time they return to Mexico City from Cuba," according to the ... file. Questions surrounding the CIA's activity in Mexico City arose after a previous document release revealed that Oswald had visited the Cuban Consulate and the Soviet Embassy there weeks before the Nov. 22, 1963, assassination. [Another] one-page document divulges that Manuel Machado Llosas treasurer of the Mexican revolutionary movement and a friend of Cuban president and dictator Fidel Castro " was a CIA agent. Machado Llosas was slated to be stationed in Mexico City, where the document says the CIA planned to "use him to report on the activities of Cuban revolutionaries" and leverage his friendship with Castro and other Cuban leaders so he could act as a "'political action' asset." [A] newly unredacted memo reveals that the CIA surveilled Washington Post reporter Michael Getler.