President Asif Ali Zardari said that killers of Benazir Bhutto (BB) would be uncovered at any cost. Addressing a ceremony in Islamabad, the president said that democratic government will continue reconciliation process. He said that the government will fulfill all the promises made with people. He said that Swat would be made an exemplary city. He said that extremists were wiped out of Swat and the government established its writ in the area. He said that Kaladhaka will also be an ideal city like Islamabad.