In April 2011, shortly after executives from the former Anglo Irish Bank informed a shocked Sean Quinn that they were seizing control of his sprawling industrial conglomerate, a dumper truck was driven into bollards at the headquarters of the Quinn Group in Derrylin, Co Fermanagh. It was a small gesture of both support and defiance; support for the ousted tycoon and defiance at the bank many believed had cheated him of his empire. Yet, this seemingly innocuous act, one that fitted neatly within a wider public anger at that time of savage austerity, was the first act in a near…