Richard Carr is a senior lecturer in policing and investigation at Liverpool John Moores University with more than 30 years of experience in policing. He has been the senior investigating officer on cases involving homicide, gun and gang criminality, serious sexual offending, human trafficking, modern slavery and police corruption, which has prepared him to lecture on these topics and deliver investigative training within a law enforcement environment.  Colin Davies OBE is a lecturer in policing at Liverpool John Moores Univesity with more than 25 years’ experience working for the Crown Prosecution Service. He has a detailed understanding of the challenges involved in investigating and prosecuting major and serious crime cases and has prosecuted many serious crime cases including those involving organised crime groups, homicides and international dimensions.  Tony Blockley has served within policing for over 30 years, gaining extensive knowledge and understanding of policing organisation and practice. On retirement he had attained the rank of Chief Superintendent with the position of Head of Crime, responsible for leading 500+ multi-disciplinary staff within a complex and critical department servicing public protection, major and serious crime, serious and organised crime, terrorism, financial crime, fraud and forensic services. As the lead for policing at Leeds Trinity University he is responsible for co-ordinating policing higher education, including developing programmes and enhancing current provision in line with the Police Education Qualification Framework (PEQF) while also supporting the College of Policing in the development of programmes. He combines an extensive policing career with an understanding of the national curriculum, the requirements of the academic standards and the entry routes to policing, giving him a unique perspective and the necessary credibility to support his role as Editor of Critical Publishing's new policing series.