<P> Lawrence Wright also describes in detail some of the Americans involved , in particular Richard A. Clarke , chief counter-terrorism adviser on the U.S. National Security Council , and John P. O'Neill , an Assistant Deputy Director of Investigation for the FBI who served as America 's top bin Laden hunter until his retirement from the FBI in August 2001 , after which he got a job as head of security at the World Trade Center , where he died in the 9 / 11 attacks . </P>
<P> Lawrence Wright also describes in detail some of the Americans involved , in particular Richard A. Clarke , chief counter-terrorism adviser on the U.S. National Security Council , and John P. O'Neill , an Assistant Deputy Director of Investigation for the FBI who served as America 's top bin Laden hunter until his retirement from the FBI in August 2001 , after which he got a job as head of security at the World Trade Center , where he died in the 9 / 11 attacks . </P>
who is mr clarke in the looming tower
who is mr clarke in the looming tower
chief counter-terrorism adviser on the U.S. National Security Council
chief counter-terrorism adviser on the U.S. National Security Council