Cryptonym: LIEMPTY-19
104-10219-10005: Alvarez, Ramon Joseph, 201-0119523, Volume III
The third document in the series states that Ramon Durant was married to LIEMPTY-19 and the fourth document in the series identifies Hester Roos De Alvarez as LIEMPTY-19. https://www.archives.gov/files/research/jfk/releases/104-10219-10005.pdf
104-10052-10223: PROJECT LIEMPTY PROGRESS REPORT/FEB, MARCH AND APRIL 1964
The document states a change in policy regarding members of the LIEMPTY surveillance project, among its suggestions is paying LIEMPTY-19 (Hester Roos De Alvarez) on an hourly basis.
This file describes the separation of Ramon Durant and Hester Alvarez and that a messy divorce followed.