Legitimacy of the presidency is determined by Section 8 of the constitution thus;
A person assuming the office of President shall, before entering upon the office, take and subscribe the oath of allegiance and such oath for the due execution of his office as may be prescribed by or under an Act of Parliament.
My biggest disappointment has been the justification of the initial killings with a wave of the hand and the qualification that they were 'spontaneous' .I was not aware that killing in the name of spontaneity and anger somehow made it justifiable. The 'look what you made me do!!' is a cope out.
We could have done better.