Dead or Alive by Tom Clancy
It is The Campus. Secretly created under the administration of President Jack Ryan, its sole purpose is to eliminate terrorists and those who protect them. Officially, it has no connection to the American government--a necessity in a time when those in power consider themselves above such arcane ideals as loyalty, justice, and right or wrong.
Now covert intelligence expert Jack Ryan Jr. and his compatriots at The Campus--joined by black ops warriors John Clark and "Ding" Chavez--have come up against their greatest foe: a sadistic killer known as the Emir. Mastermind of countless horrific attacks, the Emir has eluded capture by every law enforcement agency in the world. But his greatest devastation is yet to be unleashed as he plans a monumental strike at the heart of America.
On the trail of the Emir, Jack Ryan Jr. will find himself following in his legendary father's footsteps on a manhunt that will take him and his allies across the globe, into the shadowy arenas of political gamesmanship, and back onto U.S. soil in a race to prevent the possible fall of the West....