1. National Confidential Inquiry into Suicide and Homicide by People with Mental Illness Homicide data for England (2002-2012) © National Confidential Inquiry into Suicide and Homicide by People with Mental Illness. All rights reserved. Not to be reproduced in whole or part without the permission of the copyright holder.

2. General population homicides: age and gender of perpetrators ENGLAND_HOMICIDE (2002-2012) © National Confidential Inquiry into Suicide and Homicide by People with Mental Illness. All rights reserved. Not to be reproduced in whole or part without the permission of the copyright holder.

3. General population homicides: relationship to perpetrator by gender of perpetrator ENGLAND_HOMICIDE (2002-2012) © National Confidential Inquiry into Suicide and Homicide by People with Mental Illness. All rights reserved. Not to be reproduced in whole or part without the permission of the copyright holder.

4. General population homicides: age of victims by gender of perpetrator ENGLAND_HOMICIDE (2002-2012) © National Confidential Inquiry into Suicide and Homicide by People with Mental Illness. All rights reserved. Not to be reproduced in whole or part without the permission of the copyright holder.

5. General population homicides: method of homicide by gender of perpetrator ENGLAND_HOMICIDE (2002-2012) © National Confidential Inquiry into Suicide and Homicide by People with Mental Illness. All rights reserved. Not to be reproduced in whole or part without the permission of the copyright holder.

6. Number of homicide convictions in England & Wales (1973-2012/13) ENGLAND_HOMICIDE (2002-2012) © National Confidential Inquiry into Suicide and Homicide by People with Mental Illness. All rights reserved. Not to be reproduced in whole or part without the permission of the copyright holder.

7. Number of perpetrators convicted of manslaughter section 2 (diminished responsibility) by gender ENGLAND_HOMICIDE (2002-2012) © National Confidential Inquiry into Suicide and Homicide by People with Mental Illness. All rights reserved. Not to be reproduced in whole or part without the permission of the copyright holder.

8. Primary diagnoses of perpetrators committed to hospital (based on Inquiry questionnaire data) ENGLAND_HOMICIDE (2002-2012) © National Confidential Inquiry into Suicide and Homicide by People with Mental Illness. All rights reserved. Not to be reproduced in whole or part without the permission of the copyright holder.

9. Primary diagnoses of perpetrators committed to hospital (based on psychiatric court report data) ENGLAND_HOMICIDE (2002-2012) © National Confidential Inquiry into Suicide and Homicide by People with Mental Illness. All rights reserved. Not to be reproduced in whole or part without the permission of the copyright holder.

10. Number of perpetrators receiving a hospital disposal by gender ENGLAND_HOMICIDE (2002-2012) © National Confidential Inquiry into Suicide and Homicide by People with Mental Illness. All rights reserved. Not to be reproduced in whole or part without the permission of the copyright holder.

11. Number of homicide perpetrators with a lifetime history of schizophrenia by gender ENGLAND_HOMICIDE (2002-2012) © National Confidential Inquiry into Suicide and Homicide by People with Mental Illness. All rights reserved. Not to be reproduced in whole or part without the permission of the copyright holder.

12. Number of patient homicides by gender ENGLAND_HOMICIDE (2002-2012) © National Confidential Inquiry into Suicide and Homicide by People with Mental Illness. All rights reserved. Not to be reproduced in whole or part without the permission of the copyright holder.

13. Primary diagnosis of patient homicides (based on Inquiry questionnaire data) ENGLAND_HOMICIDE (2002-2012) © National Confidential Inquiry into Suicide and Homicide by People with Mental Illness. All rights reserved. Not to be reproduced in whole or part without the permission of the copyright holder.

14. Secondary diagnosis of patient homicides (based on Inquiry questionnaire data) ENGLAND_HOMICIDE (2002-2012) © National Confidential Inquiry into Suicide and Homicide by People with Mental Illness. All rights reserved. Not to be reproduced in whole or part without the permission of the copyright holder.

15. Timing of last contact with mental health services ENGLAND_HOMICIDE (2002-2012) © National Confidential Inquiry into Suicide and Homicide by People with Mental Illness. All rights reserved. Not to be reproduced in whole or part without the permission of the copyright holder.

16. Mental health teams’ estimation of risk of violence at last contact: patient homicides ENGLAND_HOMICIDE (2002-2012) © National Confidential Inquiry into Suicide and Homicide by People with Mental Illness. All rights reserved. Not to be reproduced in whole or part without the permission of the copyright holder.

17. Risk assessment in patient homicides with severe mental illness and a history of violence ENGLAND_HOMICIDE (2002-2012) © National Confidential Inquiry into Suicide and Homicide by People with Mental Illness. All rights reserved. Not to be reproduced in whole or part without the permission of the copyright holder.

18. Factors which could have made homicide less likely: patient homicides ENGLAND_HOMICIDE (2002-2012) © National Confidential Inquiry into Suicide and Homicide by People with Mental Illness. All rights reserved. Not to be reproduced in whole or part without the permission of the copyright holder.