A high number of aggressive incidents in secure forensic care are considered a serious problem, not only for clients but also for sociotherapists 1 as well (Robinson et al., 2018;Ros et al., 2013).According to the results of a study presented by one of the Dutch labour unions (CNV, Zorg & Welzijn, 2018) addressing aggressive incidents in Dutch health care for people with intellectual disabilities, more than 50% of the 640 caregivers experienced physical (70%) or verbal (79%) aggressive incidents in their work.About half (53%) reported an increase in aggressive incidents during the past year. These results are worrying given the range of negative consequences for victims, the aggressor and the organization in which aggressive incidents occur. Negative consequences for the victim can include psychological effects (e.g. anxiety, sleep disturbance, fear, anger and resentment) and physical injury (Knotter, 2019). Sociotherapists and clients may feel less safe in living groups where there are a high number of aggressive 1 Throughout this paper, the term 'sociotherapist' is used to describe the role of a professional caregiver.