![Former Family First senator Bob Day.](/web/20170516233735im_/http://www.smh.com.au/content/dam/images/g/s/g/e/l/t/image.related.wideLandscape.460x259.gw5zhc.png/1494976028129.jpg)
Bob Day to face ombudsman over 'sham contracting' allegations
He was the senator whose vote was pivotal to the Coalition's crusade to stamp out lawlessness in the building sector through the re-establishmnet of the Australian Building and Construction Commission.