Is the killing of Baitullah Mehsud's wife (number 2!) a change in tactics or is the noose finally tightening around Mehsud and his close associates? Are the extremists being told that if you can kill civilians randomly through your suicide bombings then we will also kill your women and children.
After all the Pakistan Taliban have employed just such a strategy by killing famiy members of provincial lawmakers in the Northwest Frontier Province. Close relatives as 'high value targets?'
The Pak-Afghan border region is inhospitable terrain and virtually impossible to completely seal
The assassination marks a shift in the use of drone attacks. The new policy, if indeed it is one, may come as a surprise to many among the conservative tribes of Pakistan's Federally Administered Tribal Areas (FATA).
Personally, I would bet money that it was either Mehsud Wife Number One or Mr. Mehsud himself who gave the exact coordinates for the strike! Maybe he wanted a divorce but was too afraid to ask ...