"Frustrated by restrictions on using military force against terrorists, the United States is turning to a lower-profile tactic. The CIA calls it 'disruption' -- working with foreign law-enforcement services to harass and hamper terrorists around the world ...

"... Disruption has the advantage of utmost secrecy, hiding the hand of the United States and avoiding the cumbersome congressional reporting requirements that go with CIA-directed covert operations. The recent arrest by Turkish forces in Kenya of Kurdish rebel leader Abdullah Ocalan is one of the rare examples where the disruption tactic gained public notice."