Nyorai kupfuurira kweiyi ndima - Muna 1981, pazera ramakore 23, Crumpton akava mudzidzi muduku zvikurusa mukirasi yake paCIA. Akatanga basa rake paCIA mubazi reAfrica muLiberia muma1980. Muna 1998-99 akashanda semutevedzeri wemukuru muFBI's International Terrorism Operations Section, achiri pachikwereti kubva kuCIA. Muna 1998 akaongorora kuputika kwebhomba kwakaitwa neAl Qaeda pamahofisi eU.S. muKenya neTanzania uye kurwiswa kwakaitwa ngarava yeUSS Cole muna 2000
kure nemhenderekedzo yeYemen. Akabatanidzwa neAfghanistan kutozosvikira muna 2002 paakachinjira kumigove yakadzikama. Akanga ari mutevedzeri womutungamiriri weCounter-Terrorism Center kubva muna 1999 kusvika muna 2001, uye mukuru weimwe yezvikamu zvakavanzika zvikuru zvebazi racho, National Resources Division, kubva muna 2003 kusvika muna 2005. Somukuru weNational Resources Division iye akahaya iye zvino Mutungamiriri weCIA Gina Haspel semutevedzeri wake. Akanga ariwo mutungamiriri weUS yakavanzika mhinduro muAfghanistan kuSeptember 11, 2001 kurwisa, achironga 90-zuva kudonha kweTaliban. Akashanda neCIA kwemakore 24 akazara, akashanda seDhipatimendi reHurumende Coordinator for Counterterrorism aine chinzvimbo chemumiriri-mukuru, uye akasiya basa rehurumende muna 2007.