The document gives a summary of the KDFACTOR Project and related security measures and concerns. It also reveals, "The KDFACTOR Project had its origins in the LIJERSEY and LIPSTICK Projects, both active in the mid-1950s. In 1958, after the arrest of two LIPSTICK surveillance team members, it was decided to break off the more sensitive, uncompromised LIPSTICK assets manning and supporting two basehouses..." It also mentions two other linked compartmented projects known as KDABSINTHE and KDLITERAL. https://www.archives.gov/files/research/jfk/releases/104-10414-10110.pdf
A cable sent by Agency officials in 1972 notes the interest of attorney and researcher Bernard Fensterwald to determine the identity of a man photographed outside the Soviet Embassy in Mexico City during October of 1963 who the CIA erroneously claimed was Lee Harvey Oswald. This person is featured in President's Commission Exhibit 237 and some refer to the unidentified male as the Mexico City Mystery Man.
1972 memo to Associate Deputy Director for Operations: "The KDFACTOR Project (until 1970 encrypted as LIEMPTY) was initially approved in 1958 to provide financial and material support for visual and photographic surveillance operations targeted against the Soviet Embassy in Mexico City."