Where does the major responsibility for Duncan's death lie?

There were many people involved in the death of Duncan, the King of Scotland. However, Macbeth bears the major responsibility for the murder. Macbeth committed the task by his own hand. He understood the significance of the prediction in relation to his own ambitions. Finally, Macbeth was aware of his actions and he accepted them. Macbeth murdered Duncan. He was the one who stabbed the King and he admits that freely in the play. 'I …

…the responsibility of the death of Duncan, the King of Scotland.         Macbeth, the thane of Glamis and the thane of Cawdor, holds the major liability for the demise of Duncan. He performed the homicide by his own hands. He was ambitious and understood the relation of the foretelling. Finally, Macbeth understood and accepted the plan for the assassination of the King. In these three ways, Macbeth bore the dominant burden for the death of Duncan.