Who killed Lebanese President, Hariri, in 2005?

By Neil Macdonald, Canadian Broadcasting Corporation, The National, from the CBC website, November 21, 2010
The story concerns the investigation into the 2005 assassination of Lebanese President, Hariri.
Among other things, CBC News has learned that:
•Evidence gathered by Lebanese police and, much later, the UN, points overwhelmingly to the fact that the assassins were from Hezbollah, the militant Party of God that is largely sponsored by Syria and Iran. CBC News has obtained cellphone and other telecommunications evidence that is at the core of the case.
•UN investigators came to believe their inquiry was penetrated early by Hezbollah and that that the commission's lax security likely led to the murder of a young, dedicated Lebanese policeman who had largely cracked the case on his own and was co-operating with the international inquiry.
•UN commission insiders also suspected Hariri's own chief of protocol at the time, a man who now heads Lebanon's intelligence service, of colluding with Hezbollah. But those suspicions, laid out in an extensive internal memo, were not pursued, basically for diplomatic reasons.
Read more: http://www.cbc.ca/world/story/2010/11/19/f-rfa-macdonald-lebanon-hariri.html#ixzz15ySRuEi3
If McDonald's reporting turns out to be reliable and verifable, and there is no reason to doubt that it will, then all attempts to link Israel with the assassination of the Lebanese leader will have proved both false and scurrilous. That is where Hezbollah has attempted to place responsibility for the violent death.
We will await further evidence on this story, from reliable sources, including the CBC.