1. Introduction; Mark Roycroft.- 2. History of Investigative decision making from public inquires and reviews; Dr Mark Roycroft.- 3. The decision making and identification of solving factors from 166 murder cases; Dr Mark Roycroft.- 4. Innate reasoning and critical incident decision-making; Prof Robin Bryant.- 5. How a major incident Room operates and the management of critical incidents; ex DCI Harland N Yorks Police.- 6. The Making of an expert detective Decision making in Norway and UK European perspective; Ivar Fashing, Superintendent and Professor Norwegian Police University.- 7. The task is greater than the title: Professionalising the role of the Senior Investigating Officer in Homicide Investigations; Dr Adrian West and Dr Declan Donnelly.- 8. The retrospective detective. Cognitive bias and the cold case investigation; Dr Jason Roach.- 9. Conclusions; Dr Mark Roycroft. ukryj opis