Investigated in example sentence
That being the case, and if say the Conner's/Khemlani mess had been possibly set up,(just how many businessmen/millionares had been served by Khemlani, presumably without complaint), then the Labour government could have been victims of 'entrapment', which would surely have had to have been investigated' by the Governor-General as or until he could see that the budget standoff was A genuine result of Whitlam's fecklessness, and NOT elaborate entrapment, sponsored by 'person or person's unknown'!