Black Chamber organization
also: cryptanalytic unit
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Claims (4)
United States Department of State dissolved
Black Chamber documented
document
“It was abolished by Secretary Stimson in 1929 on the ground that 'gentlemen do not read each other's mail.…”
source: government document — Church Committee Final Report, Book I: Foreign and Military Intelligence · p.314
Black Chamber did_business_with
Western Union Telegraph Company documented
document
“By the late 1920's the Black Chamber had gained access to diplomatic telegraph traffic through cooperative arrangements with the Western Union Telegraph Company and the Postal Telegraph Company.…”
source: government document — Church Committee Final Report, Book VI: Supplementary Reports on Intelligence Activities · p.124
Black Chamber did_business_with
Postal Telegraph Company documented
document
“By the late 1920's the Black Chamber had gained access to diplomatic telegraph traffic through cooperative arrangements with the Western Union Telegraph Company and the Postal Telegraph Company.…”
source: government document — Church Committee Final Report, Book VI: Supplementary Reports on Intelligence Activities · p.124
Henry L. Stimson removed_from_power
Black Chamber documented
document
“In an act of pure moral courage Stimson affirming principle over expediency withdrew all State Department funds from the support of the Black Chamber Since these constituted its major income their loss shuttered the office…”
source: government document — Church Committee Final Report, Book VI: Supplementary Reports on Intelligence Activities · p.124