• Sandra Flynn, Linda Gask, Louis Appleby, and Jenny Shaw.
• The National Confidential Inquiry into Suicide and Homicide by People with Mental Illness, Centre for Mental Health and Safety, Institute of Brain Behaviour and Mental Health, University of Manchester, Jean McFarlane Building, Oxford Road, Manchester, M13 9PL, UK. sandra.m.flynn@manchester.ac.uk.
• Soc Psychiatry Psychiatr Epidemiol. 2016 Jun 1; 51 (6): 877-84.

PurposeThere is a lack of robust empirical research examining mental disorder and homicide-suicide. Primary care medical records are seldom used in homicide-suicide research. The aims of this study were to describe the characteristics of offenders and victims; determine the prevalence of mental disorder and contact with mental health services and examine adverse events prior to the offence.MethodsThis was a mixed-methods study based on a consecutive case series of offences in England and Wales occurring between 2006 and 2008. 60 homicide-suicides were recorded. Data sources included coroner's records, police files, General Practice (GP) and specialist mental health records, and newspaper articles.ResultsThe results show that most victims were spouse/partners and/or children. Most perpetrators were male (88 %) and most victims were female (77 %). The incidents were commonly preceded by relationship breakdown and separation. 62 % had mental health problems. A quarter visited a GP for emotional distress within a month of the incident. Few had been in recent contact with mental health services before the incident (12 %). Self-harm (26 %) and domestic violence (39 %) were common.ConclusionIn conclusion, GPs cannot be expected to prevent homicide-suicide directly, but they can reduce risk generally, via the treatment of depression and recognising the risks associated with domestic violence.

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