His service in the BOI (later FBI) was notable for his having worked on the 1924 capture of a neo-revolutionary army of Mexican nationals under the leadership of General Enrique Estrada at Engineer Springs on the California border.
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After graduation, he entered the consular service (1916) where during World War I he served in Italy, Bulgaria and Jerusalem.
He was arrested in 1926 by the FBI under the leadership of by Special Agent Edwin Atherton while heading a large convoy of armored vehicles and armed men east of San Diego, California, and jailed in the United States for 21 months.
He worked for Atherton and Dunn investigation agency, famous for the Edwin Atherton report on SFPD police corruption in San Francisco, California in 1937.
Edwin Lutyens | Edwin Booth | Atherton | Edwin M. Stanton | Edwin Starr | Edwin of Northumbria | Edwin Hubble | Edwin Franko Goldman | John Edwin Sandys | Atherton, Queensland | Edwin Edwards | Edwin Bidwell Wilson | Edwin A. McAlpin | Atherton, California | The Mystery of Edwin Drood | Gertrude Atherton | Edwin Torres | Edwin (musician) | Edwin Markham | Edwin Lankester | Edwin Forrest | Edwin Catmull | Edwin Abbott Abbott | Edwin | Atherton Tableland | Frederic Edwin Church | Edwin Santibáñez | Edwin Muir | Edwin Mellen Press | Edwin Long |