Country's history is peppered with high-profile killings, mostly of political and liberal figures. December 27, 2007: Two-time prime minister Benazir Bhutto assassinated in a suicide gun and bomb attack as she left an election rally in Rawalpindi.
January 4, 2011: Salman Taseer, the governor of Punjab, shot to death in Islamabad by one of his elite police guards for opposing the blasphemy laws. March 2, 2011: Shahbaz Bhatti, a Christian member of the cabinet, assassinated in Islamabad for public criticism of misuse of the blasphemy laws. December 22, 2012: A Taliban suicide bomber kills Bashir Ahmad Bilour, a regional minister and senior leader of the Awami National Party. May 3, 2013: Chaudhry Zulfiqar, a state prosecutor in high-profile trials concerning Benazir Bhutto's assassination and Pakistanis allegedly involved in the 2008 Mumbai attacks, shot and killed in Islamabad while on way to attend court proceedings in the former of the two cases.