 A December 2011 analysis report by the Jamestown Foundation , however , came to the conclusion that " in spite of denials by the Pakistani military , evidence is emerging that elements within the Pakistani military harbored Osama bin Laden with the knowledge of former army chief General Pervez Musharraf and possibly current Chief of Army Staff ( <unk> ) General Ashfaq Pervez Kayani . Former Pakistani Army Chief General Ziauddin Butt ( a.k.a. General Ziauddin Khawaja ) revealed at a conference on Pakistani – U.S. relations in October 2011 that according to his knowledge the then former Director @-@ General of Intelligence Bureau of Pakistan ( 2004 – 2008 ) , Brigadier Ijaz Shah ( retd . ) , had kept Osama bin Laden in an Intelligence Bureau safe house in Abbottabad . " Pakistani General Ziauddin Butt said Bin Laden had been hidden in Abbottabad " with the full knowledge " of Pervez Musharraf . Butt later denied making any such statement . 
