“…This changing context of evidence production has precipitated a renewal of interest in the empirical evidence-bases of historically popular aetiological/theoretical movements in youth justice ("the old") inter alia, diversion and systems management [111,112], social control/bonds theory [113] and restorative justice [114] (Restorative Justice Council 2017). There has been a concurrent push to develop new evidence-bases around the modern, progressive and anti-risk/positivist approaches ("the new") such as those focused on constructive resettlement (constructive (e.g., strengths-based, positive), coordinated (e.g., multi-agency, multi-sector), consistent (e.g., stable), customised (e.g., individualised) and co-created (e.g., participatory, inclusive) responses to children who have offended [115] following contact with the YJS [101,115]), relationship-based practice and engagement methods [116], trauma-informed working [115] and the development of a "Child First" strategic model of Positive Youth Justice [75,117].…”