TYhey still not to be trusted because many members of their government have ties to the Taliban ans should be considered national security threats.
http://www.telegraph.co.uk/news/worldnews/asia/pakistan/1341405/Pakistans-godfathers-of-the-Taliban-hold-the-key-to-hunt-for-bin-Laden.html
Who said you have to trust them? Verify the intel Pakistan gives us somehow. Then hit the targets.