David Marshall QPM, Former Detective Chief Inspector, Metropolitan Police
David Marshall QPM has over 30 years of police service experiencing many facets of investigating serious crime based at New Scotland Yard London. In the last nine years of his service as a detective chief inspector on the Child Abuse Investigation Command he was responsible for all intra-familial child homicides and complex child abuse in London including over 50 child homicides and suspicious death investigations. Since retiring he has delivered training on investigating child death for police forces and others around the UK and internationally. He has an MSc in Forensic and Legal Psychology from the University of Leicester.