 Cullather akanyoreswa neCIA somudzidzi akapedza kudzidza muna 1992 kuti aongorore magwaro ane chokuita nePBSuccess, basa rakatungamirira kuGuatemalan coup détat muna 1954, sorutivi rwekunzvera kukuru kwakarongedzerwa kuona kuti magwaro api aigona kubviswa. Chigumisiro chefundo iyoyo chakanga chiri Nhau Yakavanzika: Nhoroondo Yakavanzika yeCIA Yemabasa ayo muGuatemala, 1952-1954. Zvizhinji zvezvinyorwa zvinokurukurwa mubhuku racho zvakanga zvatoziviswa naPhilip Agee nevamwe; chidzidzo chaCullather, kudzokororwa kwechidzidzo chemukati chebazi, chakabudiswa muna 1997 pamberi peCIA, pakati pa1998, yakabvisa nzira yose yekuzivisa. Chidzidzo chaCullather, maererano naLars Schoultz, gwaro rinokosha zvikuru - kwete bedzi chinyorwa chakajeka chokuti ndiani akaita chii kuna ani, asi nhoroondo inonyevera yakajeka pamusoro penzira iyo chifukidziro chokuvanzika chakabvumira nayo vakuru vakuru vehurumende kudzivisa mibvunzo yemurangariro, yokuenzana, uye yechakarurama nechakaipa. Munyori wenhau dzakaitika Greg Grandin akaidana kuti basa rinokosha zvikuru rokudzidza uye rokudzidzisa. 