pThis unique work of evidence scholarship details the development of marketised forensic science provision in the UK. Exploring the impact that public policy developments have had upon the sector, it delves into the re-structuring of both the governance and delivery of expert scientific evidence.p pUsing first-hand accounts drawn from empirical research, this study analyses the practices and perspectives of forensic experts and criminal justice personnel, with a particular focus on the influence of standardisation, expertise, and regulation on scientific method. Expanding our understanding of the ways in which forensic scientists have responded to policy-driven structural changes, the author highlights the effects of resulting adaptations.p pChallenging subsisting accounts of law's deference to expert knowledge, this work uncovers the normative and conceptual underpinnings of law and science, to provide an innovative account of the practice of case construction. Using comparative case-