The US may have a technical edge, but it also needs to be on top of old fashioned intelligence gathering and the use of agents in Afghanistan.
The CIA is the major agency responsible for providing this kind of intelligence, but there are doubts among some in the United States of whether itis up to the job.
One former CIA director, Jim Woolsey, has already spoken out about the difficulties of conducting a manhunt, based on the agencies attempts to track down a Somali warlord in the 1990s.
"We had a lot of people on the ground in Mogadishu. We controlled the skies. We had American troops, military intelligence people," he said. "And although we came close ... we never did actually find him. And that was in one city."
Panorama: Investigating the CIA