William Blum adachoka ku US State Department mu 1967, kusiya chikhumbo chake chofuna kukhala Ofesi ya Zakunja chifukwa chotsutsa zomwe United States imachita ku Vietnam. Kenako adakhala m'modzi mwa omwe adayambitsa komanso akonzi a Washington Free Press, nyuzipepala yoyamba "njira ina" mumzinda waukulu.

Blum wakhala mtolankhani wodziyimira pawokha ku United States, Europe ndi South America. Kukhala kwake ku Chile mu 1972-3, akulemba za "kuyesa kwa chikhalidwe cha anthu" kwa boma la Allende, kenako kugwa kwake momvetsa chisoni pakuukira komwe kunapangidwa ndi CIA, kudapangitsa kuti atenge nawo gawo komanso chidwi chochulukirapo pazomwe boma lake lidachita. anali kuchita m'madera osiyanasiyana a dziko lapansi.

Mkatikati mwa zaka za m'ma 1970, adagwira ntchito ku London ndi mkulu wakale wa CIA Philip Agee ndi anzake pa ntchito yawo yowulula anthu ogwira ntchito ku CIA ndi zolakwa zawo.

Buku lake lokhudza mfundo zakunja zaku US, Kupha Chiyembekezo: Kulowererapo kwa Asitikali aku US ndi CIA Kuyambira Nkhondo Yachiwiri Yapadziko Lonse, yomwe idasindikizidwa koyamba mu 1995 ndipo yasinthidwa kuchokera pamenepo, yalandiridwa padziko lonse lapansi. Noam Chomsky adatcha "Kutali ndi buku labwino kwambiri pamutuwu."

Mu 1999, Blum anali m'modzi mwa omwe adalandira mphotho za Project Censored's "zolemba zachitsanzo" polemba imodzi mwa nkhani khumi zomwe zidawunikidwa mu 1998, nkhani ya momwe, mu 1980s, United States idapatsa Iraq zinthuzo. kukhala ndi luso lankhondo la mankhwala ndi biology.

Buku la Blum Rogue State: Chitsogozo cha Mphamvu Zapamwamba Zapadziko Lokha, linasindikizidwa mu 2000, ndipo linasinthidwa mu 2005. Linalembedwa ponena za kuphulitsidwa kwa mabomba ku Yugoslavia mu 1999, kumene, tinauzidwa kuti, kunachitika pofuna kuthandiza anthu. Bukuli kwenikweni ndi buku laling'ono lazinthu zonse zopanda chifundo za boma la US m'zaka zapitazi. Lamasuliridwa m’zinenero zoposa khumi ndi ziwiri.

Mu 2002, Blum's West-Bloc Dissident: A Cold War Memoir adawonekera. Pakati pa 2002-2003, Blum anali wolemba nthawi zonse m'magazini ya The Ecologist, yomwe imafalitsidwa ku London ndikufalitsidwa padziko lonse lapansi.

Mu 2004, Kumasula Dziko Ku imfa: Essays on the American Empire idasindikizidwa. Zolemba zambiri za Blum zitha kupezeka pa intaneti ku Znet, Counterpunch, Dissident Voice, ndi masamba ena ambiri.

Blum amalemba kalata ya mwezi uliwonse, The Anti-Empire Report, yomwe imatumizidwa kwaulere kwa aliyense amene wapempha ndi imelo.