According to most commentators, Brodie Clark's case all hangs on whether his account of his conversation with his boss Rob Whiteman is accurate. To quote The Guardian:
Clark's version of events directly clashed with that given repeatedly by the home secretary to the Commons over the past 10 days. But it is impossible to judge the competing claims unless the paperwork to back them up is published
I worry that the paperwork will be published - but it won't be able to back up Brodie Clark's claims. This video show's why...
Never a truer word spoken than in jest, I'm afraid