Who was running CIA covert operations in Mexico City in 1963?

Sensitive source: A newly-released JFK file still conceals a key name.

Fifty five years later, this remains a highly sensitive question.

Take a look at page 9 of this lightly-redacted 1977 CIA memo, released last month by the National Archives. The name of a CIA officer who was running covert operations along with David Phillips in 1963, has been postpone…