Prime Minister Yousuf Raza Gilani on Tuesday said that the killers of Benazir Bhutto would be penalized. Addressing the PPP workers at its 44th founding day at Peshawar, Gilani said, Terrorism is Pakistans biggest problem; Benazir wants to eradicate this menace from the country and we are rendering sacrifices to realize this dream. BB gave her life for Pakistan, he maintained. He said that Pakistans economy is being badly affected for the investors are trickling down due to terrorism. He hailed the role of the people of Khyber Pkahtunkhwa in war against terror. Gilani said that the government is making strenuous efforts for the well-being of the people.