1. Makin K. Grisly killings expose system’s failure. September 23, 2008. Accessed June 2, 2009.
2. Scott PD. Assessing dangerousness in criminals. Br J Psychiatry. 1997;131:127-142.
3. American Psychiatric Association. Practice Guideline for the Assessment and Treatment of Patients With Suicidal Behaviors. Washington, DC: American Psychiatric Association; 2003.
4. National Institute for Clinical Excellence. Violence: The Short-Term Management of Disturbed/Violent Behaviour in Psychiatric In-Patient Settings and Emergency Departments. Quick Reference Guide. Clinical Guidelines 25. UK: National Collaborating Centre for Nursing and Supportive Care; February 2005.
5. Webster CD, Martin ML, Brink J, et al. Short-Term Assessment of Risk and Treatability (START): An evaluation and planning guide Version 1.1. St Joseph’s Healthcare, Hamilton and Forensic Psychiatric Services Commission, BC; 2009.
6. Webster CD. A guide for conducting risk assessments. In: Webster CD, Jackson MA, eds. Impulsivity: Theory Assessment and Treatment. New York: Guilford Press; 1997:343-357.
7. Maden A. Treating Violence: A Guide to Risk Management in Mental Health. Oxford, UK: Oxford University Press; 2007.
8. Webster CD, Hucker SH. Violence Risk Assessment and Management. Chichester, UK: Wiley; 2007.
9. Bloom H, Webster CD. Essential Writings in Violence Risk Assessment. Toronto: Centre for Addiction and Mental Health; 2007.
10. Monahan J, Steadman H, Silver E, et al. Rethinking Risk Assessment: The MacArthur Study of Mental Disorder and Violence. New York: Oxford University Press; 2001.
11. Monahan J, Steadman HJ, Robbins PC, et al. An actuarial model of violence risk assessment for persons with mental disorders. Psychiatr Serv. 2005;56: 810-815.
12. Cleckley H. The Mask of Sanity. 5th ed. St Louis: Mosby; 1976.
13. Hare RD. Hare Psychopathy Checklist–Revised. 2nd ed. Toronto: Multi-Health Systems; 2003.
14. Hart SD, Cox DN, Hare RD. The Hare Psychopathy Checklist: Screening Version (PCL:SV). Toronto: Multi-Health Systems; 1995.
15. Gray NS, Hill C, McGleish A, et al. Prediction of violence and self-harm in mentally disordered offenders: a prospective study of the efficacy of HCR-20, PCL-R, and psychiatric symptomatology. J Consult Clin Psychol. 2003;71:443-451.
16. Hodgins S, Janson CG. Criminality and Violence Among the Mentally Disordered: The Stockholm Metropolitan Project. New York: Cambridge University Press; 2002.
17. Quinsey VL, Harris GT, Rice ME, Cormier AC. Violent Offenders: Appraising and Managing Risk. 2nd ed. Washington, DC: American Psychological Association; 2006.
18. Hart SD, Mitchie C, Cooke DJ. The precision of actuarial risk assessment instruments: evaluating the “margins of error” of group versus individual predictions of violence. Br J Psychiatry. 2007;190:S60-S65.
19. Webster CD, Eaves D, Douglas KS, Wintrup A. The HCR-20 Scheme: The Assessment of Dangerousness and Risk—Version 1. Burnaby, BC: Mental Health, Law and Policy Institute, Simon Fraser University; 1995.
20. Borum R. Improving the clinical practice of violence risk assessment: technology, guidelines, and training. Am Psychol. 1996;51:945-956.
21. Webster CD, Douglas KS, Eaves D, Hart SD. HCR-20: Assessing Risk for Violence (Version 2). Vancouver, BC: Mental Health, Law & Policy Institute, Simon Fraser University; 1997.
22. Bloom H, Webster C, Hucker S, De Freitas K. The Canadian contribution to violence risk assessment: history and implications for current psychiatric practice. Can J Psychiatry. 2005;50:3-11.
23. Webster CD, Müller-Isberner R, Fransson G. Violence risk assessment: using structured clinical guides professionally. Int J Forensic Ment Health. 2002;1:185-193.
24. Kropp PR, Hart SD, Webster CD, Eaves D. Manual for the Spousal Assault Risk Assessment Guide. 3rd ed. Toronto: Multi-Health Systems; 1999.
25. Boer DP, Hart SD, Kropp R, Webster CD. Manual for the Sexual Violence Risk–20: Professional Guidelines for Assessing Risk of Sexual Violence. Vancouver, BC: British Columbia Institute Against Family Violence; 1997.
26. Bouch J, Marshall JJ. Suicide Risk Assessment and Management Manual (S-RAMM) Research Edition. Dinas Powys, UK: Cognitive Centre Foundation; 2003.
27. Augimeri LK, Koegel CJ, Webster DD, Levin KS. Early Assessment Risk List for Boys (EARL-20B) Version 2. Toronto: Earlscourt Child Family Centre; 2001.
28. Levene KS, Augimeri LK, Pepler DJ, et al. Early Assessment Risk List for Girls (EARL-21G), Version 1 Consultation Edition. Toronto: Earlscourt Child Family Centre; 2001.
29. Borum R, Bartel P, Forth A. Manual for the Structured Assessment of Violence Risk in Youth (SAVRY). Tampa, FL: University of Florida; 2002.
30. Nicholls TL, Roesch R, Olley MC, et al. Jail Screen Assessment Tool (JSAT): Guidelines for Mental Health Screening in Jails. Burnaby, BC: Mental Health, Law, and Policy Institute, Simon Fraser University; 2005.
31. Bloom H, Webster CD, Eisen R. ERA-20. Employment Risk Assessment. A Guide for Evaluating Potential Workplace Violence Perpetrators. Toronto: workplace.calm, inc; 2002.
32. Stouthamer-Loeber M, Loeber R, Wei E, et al. Risk and promotive effects in the explanations of persistent serious delinquency in boys. J Consult Clin Psychol. 2002;70:111-123.
33. Loeber R, Pardini DA, Stouthamer-Loeber, Raine A. Do cognitive, physiological, and psychosocial risk and promotive factors predict desistance from delinquency in males? Dev Psychopathol. 2007;19:867-887.
34. Fluttert F, Van Meijel B, Webster C, et al. Risk management by early recognition of warning signs in patients in forensic psychiatric care. Arch Psychiatr Nurs. 2008;22:208-216.
35. Monahan J. Predicting Violent Behavior: An Assessment of Clinical Techniques. Beverly Hills, CA: Sage; 1981.
36. Johnstone L, Cooke DJ. PRISM: Promoting Risk Intervention by Situational Management. Structured Professional Guidelines for Assessing Risk Factors for Violence in Institutions. Burnaby, BC: Mental Health, Law, and Policy Institute, Simon Fraser University; 2008.
37. Bloom H, Eisen R, Pollock N, Webster CD. WRA-20. Workplace Risk Assessment. A Guide for Evaluating Systemic Violence Risk in the Workplace. Toronto: workplace.calm, inc; 2002.
38. Reid WH. Risk assessment, prediction, and foreseeability. J Psychiatr Pract. 2003;9:82-86.