Martin Vaughan

Martin completed 30 years policing in 2014 with the vast majority being in various Criminal Investigation Departments.

In 2001 he became the lead crime trainer for Gwent Police and was responsible for the development and implementation of all interview programmes in line with the requirements of the NPIA.

He was responsible for the implementation and training of the Interview Adviser Development programme and the Advanced Suspect Investigative Interview programme at Gwent Police.

He was a regular contributor to the Crime Training School on a range of law based courses including the SIO Development Course and the IMSC Course.

He was responsible for reviewing the CPD of all specialist interviewers. As a Detective Sergeant attached to the Major Incident Team he performed the role of Interview Adviser on numerous high profile investigations including cases of child abuse, high-stake fraud, sexual abuse, internal investigations and over 70 murder investigations.

He received 16 Commendations for the high quality of his work throughout his career including the delivery of training to multi agency audiences.

In recent years he has been a Force Interview Adviser and held the position of a National ACPO Accredited Interview Adviser covering the Welsh Region.

Martin sat on several strategic implementation Boards as an interview and training adviser including the Digital Interviewing Board and PIP Implementation Team together with the Pan Gwent Multi-agency Training forum.

Educationally Martin holds the following academic qualifications:

  • PhD Candidate – Centre of Forensic Interviewing, Portsmouth University
  • MA - Investigation Management , Charles Sturt University, Australia
  • BA (Hons) – PCET , University of Wales, Newport
  • Cert.Ed. - PCET , University of Wales, Newport
  • Pg Dip - Child Forensic Psychology and Law , University of Leeds


Martin has presented at investigative interviewing conferences across the UK on numerous occasions since 2009.

The presentations have included:

  • Use of Interpreters in a suspect interview
  • Dealing with vulnerable suspects
  • Psychology of sex offender behaviour and the impact on the investigative interview
  • Psychology of ‘fire starters’ in homicide investigations
  • Interviewing Psychopaths
  • Effective Interviewing of Child Witnesses
  • Planning and preparation for interviews
  • Conducting an investigative interview


He has also presented case studies of murder investigations and the first six items above at the International Investigative Interviewing Conference at the following locations:

  • 2010 - National Policing College, Oslo, Norway
  • 2011 - Abertay University, Dundee, Scotland
  • 2012 - Toronto, Canada
  • 2013 - Maastricht University, Netherlands
  • 2014 - Lausanne University, Switzerland


Martin has completed the following Investigative Interview Courses:

  • Advanced Interviewer Training for Trainers
  • Joint Investigative Interviewing of Child Abuse
  • Joint Investigative Interviewing of Vulnerable Adults
  • Sexual Offences Liaison Officer
  • Sex Offender Interviewing Course
  • Advanced Suspect Interviewing
  • Enhanced Cognitive Interviewing
  • Interview Management and Co-ordination
  • ACPO TAM Count Terrorism Specialist Interviewing Course

Martin is a Practitioner member of the International Investigative Interviewing Research Group (iIIRG) and a Visiting Fellow at the Centre of Criminal Investigations, Derby University, UK