Since 2002 , the American and Pakistani militaries have focused on North Waziristan and South Waziristan , two of the seven districts making up Pakistan 's semiautonomous tribal areas , which are between the North-West Frontier Province and , to the south , Baluchistan Province ; in the days since the 9\/11 attacks , some tribes there had sheltered members of Al Qaeda and spawned their own Taliban movement .