 struggled to navigate, to maintain the consistency of the model from the police end. Then we're using information that is potentially really vulnerable.” (Senior Manager within Children's Services) We found that a lack of this type of documentation had a clear service impact, as outlined in Section 5.4.1: it was difficult to support practitioners to understand why certain children had been identified by the risk models to be able to inform subsequent interventions. Social Finance Limited +44 (0) 20 7770 6836 87 Vauxhall Walk, London SE11 5HJ socialfinance.org.uk 63 Indeed, the initial scope of this evaluation was to test the accuracy of the risk models, to be carried out by statisticians from the University of Edinburgh. However, after an extensive search for documentation on how the risk models were built, this could not be located. The difficulty establishing accuracy that this situation creates, leaves open a broader question around accountability. Additionally, it leaves Insight Bristol staff in a position where they may be unable to describe to practitioners in detail what the outputs of such models mean. We understand that establishing the lack of documentation in relation to the risk models was an important factor in the CCE and CSE models being decommissioned during the course of our research. Over the course of this evaluation, we have highlighted where there are gaps in key technical documents that should have been in place to support the TFD, and have seen that this has created an impetus to produce these documents, which will support the TFD going forward. 6.4 Training and Support We found that training has been offered flexibly, and was available on request for large teams, as well as on a one-to-one basis where required. Additional resources like a user g