Iain Stainton is senior lecturer in security, intelligence and investigative practice at the University of Cumbria. He has over 30 years' practical policing experience in a variety of overt and covert investigative roles, which prepared him to deliver a range of investigative training within a law enforcement environment. The transition to academia allowed him to make links between theory, research and professional practice. He has experienced a wide variety of training in both policing and higher education, and values the practitioner-led approach to learning.Robert Ewin is a serving police officer, practitioner, and researcher, with experiences and publications around dealing with vulnerability within the criminal investigation setting. His main interests include the psychology of mindlessness, investigative practices relating to witnesses, and policing responses to vulnerable populations. He currently leads the delivery of new police officer training and specialist investigation training alongside the Police Educational Qualification Framework. He has experience in business continuity for online training delivery.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 the University of Derby 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.

• Chapter 1: Introduction to criminal investigation process Chapter 2: Key principles of criminal investigation Chapter 3: Investigative practice Chapter 4: Witness and victim management Chapter 5: Investigative interviewing Chapter 6: Specialist support Chapter 7: Covert methods Chapter 8: Complex cases Chapter 9: Measuring investigative success

Iain Stainton is senior lecturer in security, intelligence and investigative practice at the University of Cumbria. He has over 30 years' practical policing experience in a variety of overt and covert investigative roles, which prepared him to deliver a range of investigative training within a law enforcement environment. The transition to academia allowed him to make links between theory, research and professional practice. He has experienced a wide variety of training in both policing and higher education, and values the practitioner-led approach to learning.Robert Ewin is a serving police officer, practitioner, and researcher, with experiences and publications around dealing with vulnerability within the criminal investigation setting. His main interests include the psychology of mindlessness, investigative practices relating to witnesses, and policing responses to vulnerable populations. He currently leads the delivery of new police officer training and specialist investigation training alongside the Police Educational Qualification Framework. He has experience in business continuity for online training delivery.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 the University of Derby 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.

• Chapter 1: Introduction to criminal investigation process Chapter 2: Key principles of criminal investigation Chapter 3: Investigative practice Chapter 4: Witness and victim management Chapter 5: Investigative interviewing Chapter 6: Specialist support Chapter 7: Covert methods Chapter 8: Complex cases Chapter 9: Measuring investigative success

Iain Stainton is senior lecturer in security, intelligence and investigative practice at the University of Cumbria. He has over 30 years' practical policing experience in a variety of overt and covert investigative roles, which prepared him to deliver a range of investigative training within a law enforcement environment. The transition to academia allowed him to make links between theory, research and professional practice. He has experienced a wide variety of training in both policing and higher education, and values the practitioner-led approach to learning.Robert Ewin is a serving police officer, practitioner, and researcher, with experiences and publications around dealing with vulnerability within the criminal investigation setting. His main interests include the psychology of mindlessness, investigative practices relating to witnesses, and policing responses to vulnerable populations. He currently leads the delivery of new police officer training and specialist investigation training alongside the Police Educational Qualification Framework. He has experience in business continuity for online training delivery.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 the University of Derby 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.

• Chapter 1: Introduction to criminal investigation process Chapter 2: Key principles of criminal investigation Chapter 3: Investigative practice Chapter 4: Witness and victim management Chapter 5: Investigative interviewing Chapter 6: Specialist support Chapter 7: Covert methods Chapter 8: Complex cases Chapter 9: Measuring investigative success