11/8/62 memo from FBI HQ to NY field office: "On 11/2/62 CIA advised by liaison that Bureau might desire to consider the possibilities of developing Mrs. Lechuga as a source, using Oscar Lauderman, her brother, as an intermediary...CIA also noted that Lechuga apparently places considerable trust in his secretary, Ana-Maria Blanco...CIA has also volunteered that Carl Magdail of the "U.S. News and World Report" established a friendly relationship with Lechuga while the latter was in Mexico City and that Migdail will probably make use of this fact while Lechuga is at the United Nations."
12/3/62: On this date, Ivan Gavrilovich Alferiev at the Soviet Embassy accepts an invitation "to attend buffet for press on behalf Carl J. Migdail, US News and World Report." This item was included in a "summary of local contacts" conducted by CIA on Alferiev on 11/24/63.
"Carl Jack Migdail was of operational interest to this Agency in August 1963. Request for investigation and/or name check in August 1963. Migdail was not utilized and case was closed in January 1964." He was C-307795, and linked with the chronological history of David Phillips' daughter Maria.
11/27/63: Informative article on Oswald quoting Luis Farias, Mexican press officer for the Ministry of the Interior.
12/4/63, Michael Choaden/David Phillips reports to Chief of Station Win Scott that Carl Migdail has much information on Oswald in Mexico City that he obtained from the New York Times. Phillips tells him "I don't know" anything on the subject. Migdail says his sources tell him that the Times source was from the file of "Luis Farias".
4/2/65 cable identifies LIOSAGE-1 as Carl Migdail, staffer for US News & World Report. His bio number appears to be 201-356572.
6/14/67 memo from C/WH Thomas Lund/William Broe to Mexico City chief of station "Willard"/Win Scott: It would be unfortunate if LIOSAGE were to learn that we were privy to his information - in particular, what Scott had said to him. "We have received from a very sensitive source two pages only of a letter (Attachment A) almost certainly by LIOSAGE to his home office reporting of comments he claims made by you." Marginalia apparently written by Scott: "Letter in my personal file." "NOT BY ME." Both comments initialed by "wcc", the initials of his pseudonym Willard C. Curtis.
Donna Rich Klapowitz, Cuba's Ties to a Changing World (Boulder Co.; Lynne Reinner, 1993)
Migdail's essay in this book attacks the myth that during the 1960s Mexico defied US policy towards Cuba. Instead, he showed that Mexican government officials were deeply suspicious towards Cuba, and that the Mexican government tacitly worked with US officials on Cuba policy, including intelligence gathering and monitoring.