According to several intelligence officials, Pakistan has lost control of the militant and extremist networks they created in the 1980's:

Pakistan’s premier military intelligence agency has lost control of some of the networks of Pakistani militants it has nurtured since the 1980s, and is now suffering the violent blowback of that policy, two former senior intelligence officials and other officials close to the agency say.

As the military has moved against them, the militants have turned on their former handlers, the officials said. Joining with other extremist groups, they have battled Pakistani security forces and helped militants carry out a record number of suicide attacks last year, including some aimed directly at army and intelligence units as well as prominent political figures, possibly even Benazir Bhutto.

The growing strength of the militants, many of whom now express support for Al Qaeda’s global jihad, presents a grave threat to Pakistan’s security, as well as NATO efforts to push back the Taliban in Afghanistan. American officials have begun to weigh more robust covert operations to go after Al Qaeda in the lawless border areas because they are so concerned that the Pakistani government is unable to do so.

The unusual disclosures regarding Pakistan’s leading military intelligence agency — Inter-Services Intelligence, or the ISI — emerged in interviews last month with former senior Pakistani intelligence officials. The disclosures confirm some of the worst fears, and suspicions, of American and Western military officials and diplomats.