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SpymasterDai Li and the Chinese Secret Service$
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Frederic Wakeman

Print publication date: 2003

Print ISBN-13: 9780520234079

Published to California Scholarship Online: March 2012

DOI: 10.1525/california/9780520234079.001.0001

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(p.272) Chapter 19 Codes

Frederic Wakeman

University of California Press

This chapter examines Dai Li's secret service communication training group and his attempts to break Japan's war codes. It discusses the role of Wei Daming and American cryptologist Herbert Yardley in breaking the Japanese codes. It highlights Yardley's influence in the Juntong's use of truth serums scopolamine and sodium amobarbital and the creation of a centralized cryptographic center called the Office of Special Technological Research (OSTR). It suggests that Yardley's work with the Chinese paved the way for the creation of the Sino-American Cooperative Organization (SACO).

Keywords:   war codes, Dai Li, Japan, Wei Daming, Herbert Yardley, truth serums, OSTR, SACO

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