He is an assassin with an impressive track record. Those who fall in his crosshairs are eliminated. The list of victims is long and illustrious.

And now, he has trained his sights on Prime Minister Najib Abdul Razak.

One of the reasons often cited for Dr Mahathir Mohamad's continued interference in the administrations after him is to engineer his son’s ascension in the political hierarchy.

Despite failing to clinch a vice-president post in the last Umno elections, Mukhriz was named as the Kedah menteri besar.

But Mahathir, according to the grapevine, is far from satisfied. He wants his son to become the prime minister and is prepared to be the juggernaut that clears the path for this objective.