 Participants will be recruited by caseworkers in the municipalities and randomly assigned to either MTFC or TAU. TAU will consist of other kinds of out-of-home placements. Outcomes will be assessed for all participants at baseline, post-treatment 12 months, and 12 months post-treatment. Parents and youth will be asked to fill out questionnaires on e.g. behaviour, parental stress, sense of cohesion, general health. 