The killer of Afghan peace envoy Burhanuddin Rabbani was Pakistani, a statement from Afghanistans presidential palace said Sunday, quoting investigators. Evidence shows that Rabbanis death last month was plotted in Quetta and the person who carried out the suicide attack against Rabbani was a citizen of Pakistan, the statement said. It added that the killer had been living in Chaman, a Pakistani border town near Quetta. Rabbani, chairman of President Hamid Karzais High Peace Council, was killed by a turban suicide bomber at his home in Kabul on September 20.