Cryptonym: ODALOE
Note that ODFOAM is also used as a cryptonym for the U.S. Secret Service, during the same time frame.
104-10308-10252: DISPATCH: OPERATIONAL/ BERNARDO MORALES; THREATENING LETTER RE PRESIDENT KENNEDY
This dispatch concerns a "Threatening Letter re: President Kennedy" which has been forwarded to ODALOE. The document references "Mr. Harry Geiglin, agent in charge of their [ODALOE] Washington Field Office."
FBI 62-109060 JFK HQ File, Section 14, p.174: FBI 62-109060 JFK HQ File, Section 14
This FBI memo from the day of the JFK assassination refers to a telephone call with "Harry Geiglin, Chief of the Washington district office of the Secret Service." Coupled with the previous document, this confirms the ODALOE id.