Whatever the cause, CIA officers could see that soon after Mahmoud returned from Washington that spring, he began to shut them off. The official CIA-ISI intelligence liaison in Islamabad went cold. CIA officers had been able to meet with Ziauddin once a week or more often if they wished. Now they could barely get in to visit Mahmoud once a month. The daily paper exchanges of intelligence continued, but the high-level partnership between the CIA and Pakistani intelligence turned icy. There was no prospect, for instance, that a secret Pakistani commando team to capture bin Laden could be
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