Some Pakistan officials know where Osama is:  

Hillary ClintonWashington: US has said that there are elements in Pakistan's administration who were more informed about al-Qaida and Taliban than they let on, as Washington for the first time accused Taliban for being behind the botched Times Square bombing plot.

"Some Pakistani officials were more informed about al-Qaida and Taliban than they let on", Secretary of State Hillary Clinton has said.

"Some Pakistani officials were more informed about al-Qaida and Taliban than they let on", Secretary of State Hillary Clinton has said.
"I'm not saying that they're at the highest levels but I believe that somewhere in this government are people who know where Osama bin Laden and al-Qaida is, where Mullah Omar and the leadership of the Afghan Taliban is and we expect more cooperation to help us bring to justice, capture or kill, those who attacked us on 9/11," Clinton told CBS in an interview.
Asked if US was not getting sufficient cooperation from Islamabad in anti-terror drive, the US Secretary of State while acknowledging though there was a "sea change" in cooperation by Pakistani authorities, but added "we want more".