Kerry Marlow

KerryMarlowKerry Marlow retired with exemplary conduct as a Detective Inspector in South Wales Police after 34 years service, 29 of which had been in various CID roles.

He was the Force Interview Adviser for the last 4 years and on an ad hoc basis since 1995. His portfolios included, ACPO Regional interview Co-coordinator for Wales, ACPO Investigative Interview Strategy lead on Tier 5 (Interview Advisers), Vulnerable and intimidated witnesses and the use of intermediaries in interviews.

He was the Chair of the ACPO Interview Practitioners Forum. The forum is responsible for the production of guidance on prepared statements, aide memoir for officers involved in firearms incidents.

South Wales Police were a ‘Professionalising the investigation process’ (P.I.P) pathfinder force and he was integral to the baseline assessments and development of policies and procedures.

He is the Author of Structured Summary System and Notetaker a systematic system of notetaking and interview analysis.

He obtained a Bramshill Fellowship in 2002 and his research was on establishing a holistic model for investigators involved in the investigation of child abuse offences.

His research interests are on the interviewing of children and vulnerable adults. He has been a contributor to Achieving Best Evidence (2007). He has been an Adviser to the Welsh Assembly for the North Wales Child Abuse Enquiry.

He is currently a part time lecturer in Child Protection for the University of Wales, Newport and Swansea. Part time lecturer in the Protection of Vulnerable adults at Merthyr College.

He was a part of the writing team for the All Wales Child Protection Procedures and the ACPO Child Protection Training sub-group.

He has travelled extensively abroad providing advice and guidance to police forces and investigating agencies.

Kerry’s Current Position is the Managing Director of Investigative Interviewing Training and Consultancy Limited which is providing training and consultancy to the police, Social Services and other agencies on issues of child protection, adult protection, investigative doctrine and investigative interviewing.

Kerry has published articles on child abuse investigations and investigative interviewing. Published research paper on the interviewing of vulnerable persons.

He is currently researching with the School of Forensic Linguistics, Cardiff University the involvement of interpreters in major crime interviews.

He is a member of Steering Group responsible for the writing of the All Wales Child Protection procedures 2000.

Presenting evidence on information sharing and training at the Climbie Inquiry.

He is the author of the All Wales Investigative Interview policies and procedures.

Kerry also devised training for Social Services and Health on investigative doctrine, decision-making and record keeping for child and adult protection.

He is currently, part time employed by Welsh Assembly Government as an independent investigator on child protection in education.

  • Interviewing children for disciplinary proceedings.
  • Provided training for the service. 
  • Former member of the ACPO steering Group on child protection.
  • Former project manager on the implementation of intermediaries in investigative interviews.


In March 2015 completed a review and assisted in new training in respect of child protection for the College of Policing.

Within Investigative Interviewing Kerry is the Chair of the ACPO Investigative Interviewing practitioners forum –development of practical issues i.e. firearms procedures, vulnerable person suspect interviews, dealing with DNA in interviews, Dealing with prepared statements.

He was made nationally responsible for PIP Level 2 (Specialist interviewing of vulnerable persons/vulnerable children) and PIP Level 2 (Interview Advisers) training programme.

These programmes are knowledge based and workplace assessed. The programme commenced in April 2005.

Until retirement was the Regional Interview Co-ordinator for Wales responsible for interview advice, development of the ACPO strategy.

Until Kerry’s retirement he provided interview advice, guidance and supervision on a national basis to the police service on a large number of very high profile cases.

Since retirement Kerry has provided interview advice to Warwickshire, Gwent, Devon and Cornwall, Cambridge, Dyfed Powys, Gloucestershire and West Yorkshire police forces.

Kerry is the only police member of the British Medical Foundation into the interviewing of torture victims.

A member of the Scientific Committee of the International Investigative Interviewing Research Group.

Kerry has also presented seminars nationally and internationally to professionals involved in or researching and evaluation of investigative interviewing.

In July 2005 Kerry presented the keynote speech on Investigative Interviewing at the International Forensic Linguistics Conference, Cardiff.

In 2006 he presented 2 seminars and a workshop at the 2nd International Investigative Interviewing Conference, Portsmouth.

The workshop was on the role on Interview Advising.

Seminar 1 was on the interviewing of learning disabled adults and Seminar 2 was on a model of investigation for child abuse offences.

Kerry has presented at numerous international conferences on the issues of interviewing children.

In 2014 he presented at International conferences on the following subjects:

  • Interviewing of children and the investigation of alleged sexual offences
  • Enhancing witness ability through the use of sketch plans
  • Presenting visually recorded evidence Kerry is a main research contributor to the Home Office Guidance “Achieving Best Evidence in Criminal Proceedings; The interviewing of vulnerable persons, including children, 2007/ 2011 and provided further guidance on interviewing children for the new publication for issue late 2015.

He is currently conducting interviews of children for the Family Proceedings Courts in South Wales.