Macbeth. Tragic Hero?

A tragic hero is a main character in a tragedy that had made a wrong move to lead into his or her downfall. I think that this is what Macbeth is. he is a tragic hero because he made some wrong moves, like killing Duncan, and Banquo. I think he would have never had even thought about those murderous actions if not for the three witches! They had ruined his life, I think, and made him die at the end. Lady Macbeth had also influenced him to kill and he should have listened to his own self. The power corrupted him in a way to make him kill, and therefore become a tragic hero, and it was a tragedy because he died.