This Opinion piece was published in the BDJ in January 2020 in response to the GDC statistic that nearly 10% of all cases that are referred to it come from another registrant . Whilst there is a legitimate need to raise concerns or whistleblow when patient safety is an issue and no action has been taken locally, it is quite another thing when registrants, warring with each, weaponise the GDC’s investigatory power for their own nefarious ends which has nothing really to do with patient safety