Preliminary matter: the use of prior conduct evidence The Applicant argues that his due process rights were violated during the investigation, particularly by the irregular use of prior conduct evidence which allegedly created a bias against him and masked the lack of clear and convincing evidence in relation to the sexual harassment complaint. The Tribunal considers it is proper and not unlawful for the Organization to consider the staff member’s background and behaviour towards others in the context of a disciplinary case, as long as it is relevant, uncontroversial and probative. UNAT...