117 Contribution of MCD to moral craftsmanship The prison of Leeuwarden therefore was first part of the control group and at a later stage of the intervention group. Participants We collaborated with the Educational Institute of the DCIA and the local prisons to select prisons that were willing or not willing to introduce MCD. For prisons ready to implement MCD, we selected all types of teams to have a broad representation of the organization (security guards, health care professionals, management team, middle management, correctional officers, case managers re-integration services, office staff re-integration services and labour instructors). Similar teams were selected for the control group. The MCD series for the intervention groups MCD can be facilitated and organized in many different ways. In our study some regulated settings were needed to be able to research the impact of the series. The dilemma method, a specific MCD conversation method, was used for all MCD sessions at DCIA (Stolper et al., 2016). The steps of this conversation method can be found in Appendix 2. For all teams in the intervention groups, we planned a series of 10 MCD sessions, during a period of one or one-and-a-half year. The MCD sessions were scheduled for 120 to 180 minutes each, and were guided by one MCD facilitator of the in total 18 MCD facilitators deployed by the Educational Institute. Each team was matched with two trained MCD facilitators, of whommost were professionally trained and certified by the ‘MCD facilitator training program’ of the Department of Ethics, Law and Humanities of the Amsterdam UMC (Stolper et al., 2015). All MCD sessions were team-based group sessions, therefore they were not multi-disciplinary. Most MCD sessions consisted of 5-10 participants. The manager or supervisor of the team was only present when the team explicitly requested his or her presence. The content of the MCD sessions The content of the MCD sessions showed to have a broad range of themes, with moral dilemmas about addressing work climate, dilemmas around suspicions of integrity breaches, or questions about whether or not to deviate from protocol. For example, if the asked medication can be given by a correctional officer to a prisoner in the isolation cell during night hours? Or they wonder to which degree hey should still carry out an assignment given by their superior, even if they do not agree with the decision made on this assignment. Additionally, many moral dilemmas showed to be about the appropriate handling of ‘security risks’, and about when or how to address situations with direct 5