Hayden said that some uninformed observers have said that the 2011 Abbottabad raid poisoned the US-Pakistan relationship.
Voicing his frustration over the double game played by ISI in the war against terror after 9/11, a former CIA chief has said that "duplicitous" is a gentler way to describe the notorious Pakistani spy agency, which has close links with terror groups.
In his latest book Playing to the Edge, Michael Hayden, the former CIA Director used the word "duplicitous" for Inter-Services Intelligence (ISI) and its then head Ahmed Shuja Pasha when he was asked by The Time magazine to draft a short write up on the ISI chiefs.
The Time magazine in 2011 named Pasha as one of the world's 100 most influential people. "I agreed and then called current and former US government officials to get some advice on what to say, particularly something to say that might help the overall relationship," Hayden wrote.
"I asked for specific words to describe Pasha and ISI. One of the gentler ones suggested to me was 'duplicitous'," the former CIA chief said adding that this wasn't particularly useful. "So I just observed that "changes in Pakistan the growth of fundamentalism, nationalism and anti-Americanism have squeezed the space in which any ISI chief can cooperate with the US," he wrote.
Pasha, a Pakistani patriot and American partner, now must find these two roles even more difficult to reconcile and at a time when much of US counterterrorism success depends on exactly that," Hayden wrote in the book that hit the stores on Tuesday.
Hayden who was also Director of National Security Agency wrote that some uninformed observers have opined that the Abbottabad raid in May 2011 to kill bin Al-Qaeda Chief Osama bin Laden poisoned the relationship between the US and Pakistan.
"It didn't. It merely tore the veil off," he wrote. The famous statement of the then Chairman of the Joint Chiefs of Staff, Admiral Mike Mullen, that Haqqani network was a "veritable arm" of ISI was an expression of his frustration.
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