Pseudonym: Ambacher, Martin
02/28/54: Cable from LINCOLN to Director: Slugline RYBAT PBSUCCESS: "(Unintelligible) query ZIPPER desk as to whereabouts special passport. Pivall claims he turned passport in Tegucigalpa." At the bottom of this cable were the names Bauman, Col. A. R. Haney and E. R. Hobbing.
08/24/54: CIA document: "I do hereby acknowledge that in my relations with the United States Government, I will use the following signature where required: (Signature). AMBACHER, Martin R. Witness: Margaret (Unintelligible)."