Ahead of September’s Global Evidence-Based Policing (EBP) Conference, Mark Evans, NZ Police Executive Lead for Future Policing and the Vice-President of the Australia New Zealand Society of Evidence-Based Policing, spoke to fellow EBP pioneers about the growth, opportunities and challenges around the approach; in this first of two features, he looks at advice for agencies embarking on EBP, and where should efforts be focused – leaders, front-line officers, or both?