The assassination of former Lebanese Prime Minister Rafik Hariri represented a turning point in the modern history of Lebanon. The death of the tycoon, who reshaped Beirut following years of internal strife, has resulted in a major uprising that changed the face of Lebanon and rewrote its history. To many, his death remains a mystery which is expected to be solved by the UN-sponsored International Tribunal in charge of probing the Feb 14, 2005, murder. Lebanon, a country overwhelmed by its ongoing political crises, is in tension again in anticipation of the expected indictment. This article explores the main conspiracy theories regarding the background of the assassination. After presenting a number of uncontested facts, the article explores three scenarios which attribute responsibility respectively to Syria, Hezbollah and Israel.