Rubuta ci gaba don wannan sakin layi - Daga Nuwamba 1999 zuwa Nuwamba 2001, shi ne Daraktan Tsaro na Kasa da Kasa a kan ma'aikatan Kwamitin Tsaro na Kasa (NSC), inda yake da alhakin daidaitawa da aiwatar da manufofin yaki da ta'addanci na Amurka. A wannan lokacin, ya gudanar da amsar Gwamnatin Amurka ga faɗakarwar ta'addanci na Millennium, USS "Cole"
, da kuma hare-haren 11 ga Satumba. A lokacin da yake a NSC, Cressey ya yi kira da a dauki matakai a kan al-Qaeda da Bin Laden, wanda aka yi watsi da su har sai 9/11.