(FILES) This June 4, 1998 file photograph shows former Afghan President Burhanuddin Rabbani (C) speaking to journalists at Faizabad airstrip. On September 20, 2011 Burhanuddin Rabbani, Afghanistan's former president tasked with finding a peace deal with the Taliban was assassinated in a suicide attack at his Kabul home, according to police. AFP PHOTO
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An Afghan policeman keeps journalists away from the alley leading to the house of the head of Afghanistan's High Peace Council and former President Burhanuddin Rabbani.
Afghanistan's former president, tasked with leading peace efforts in the war-torn coun???
An Afghan National Army soldier carries a machine gun as he stands guard outside the residence of slain Rabbani in Kabul on September 21, 2011.
Adek Berry / AFP Photo
Supporters of Rabbani hold a poster of his image outside the compound of his home in Kabul on September 21, 2011, as they hold a peace rally.
Rabbani who was leading efforts to talk peace with insurgents.
Adek Berry / AFP
An ambulance leaves the site of the suicide attack.
Rabbani, who headed a government peace council set up to facilitate contacts with Taliban insurgents, was assassinated by a suicide bomber concealing explosives in his turban, officials said. Four of Ra???
A supporter of Rabbani, former Afghan president and head of the government's peace council, holds a picture of him while standing outside his house, a day after he was killed in Kabul.
Ahmad Masood / Reuters
In this photo released by an official website of the Iranian supreme leader's office, Iranian supreme leader Ayatollah Ali Khamenei, left, greets Rabbani, during an "Islamic Awakening" conference in Tehran, Iran, Saturday, Sept. 17, 2011.
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U.S. President Barack Obama (R) meets with Afghanistan President Hamid Karzai in New York September 20, 2011. The head of Afghanistan's High Peace Council, former President Burhanuddin Rabbani, was killed in Kabul today. REUTERS/Kevin Lamarque (UNITED STATES - Tags: POLITICS TPX IMAGES OF THE DAY) *** Local Caption *** WHT212_OBAMA-UN-_0920_11.JPG