nebulous

It was something to do with Miller casting all the blame on Knight to save his own skin IIRC, thus having him sentenced to public execution.

He controlled the Transhuman Arm via the intercontinental security organization - which he had built to protect him and allow him to shape the government through force and intimidation.

Eventually, opponents in the administration (Marshall, Pascal, Anderson and many more) weakened Knight and his puppet Robert Miller (who he made consul to be the face of his regime). Government

A big corruption scandal was exposed and investigated, Knight ran out of friends and ultimately betrayed by Miller who, to escape execution, revealed Knight's treason and conspiracy against the Union's mission. Knight was arrested after a bloody shootout, defended by his transhumans, and executed in Kiev.