All of these outcomes can have a devastating effect on your career and your life. What to do when faced with a GMC investigation. If you have received notification from the GMC regarding allegations against you, an investigation will be conducted regarding your fitness to practise. At this stage, many doctors make the mistake of first contacting the GMC before consulting a solicitor. By speaking to the GMC, you may inadvertently prejudice your case and anything you say may be used against you in future proceedings.