Menu

Theseus Team Research Papers

Research papers by Theseus staff on harassment stalking, and threat are grouped below under the following categories: 

  • Threat assessment and the private sector 
  • Fixated threat to those in the public eye 
  • Stalking and Harassment 
  • Lone-actor-terrorism 

Private Sector Papers

James, D. V., Allen, P., Wolfe Murray, A., MacKenzie, R. D., Yang, J., De Silva, A., & Farnham, F. R. (2022). The CTAP, a threat assessment tool for the initial evaluation of concerning or threatening communications: Development and inter-rater reliability. Journal of Threat Assessment and Management. https://psycnet.apa.org/doi/10.1037/tam0000173.  

James, D. V., MacKenzie, R. D., Allen, P., Wolfe Murray, A., De Silva, A., Yang, J., & Farnham, F. R. (In Press)  Factors associated with approach and persistence in corporate threat assessment cases: the validity of the CTAP. Journal of Threat Assessment and Management.

Publications on Fixated Threat to Those in the Public Eye

Meloy, J. R., James, D. V., Farnham, F. R., Mullen, P. E., Pathé, M., Darnley, B., & Preston, L. (2004). A research review of public figure threats, approaches, attacks, and assassinations in the United States. Journal of Forensic Sciences, 49(5), 1086–1093.

James, D. V., Mullen, P. E., Meloy, J. R., Pathé, M. T., Farnham, F. R., Preston, L., & Darnley, B. (2007). The role of mental disorder in attacks on European politicians 1990–2004. Acta Psychiatrica Scandinavica, 116, 334–344.

Mullen, P. E., James, D. V., Meloy, J. R., Pathé, M., Farnham, F., Preston, L., & Darnley, B. (2008). The role of psychotic illnesses in attacks on public figures. In J. R. Meloy, L. Sheridan, & J. Hoffman (Eds.), Stalking, threatening and attacking public figures: A psychological and behavioral analysis (pp. 55–82). Oxford University Press.

James, D. V., Mullen, P. E., Pathé, M. T., Meloy, J. R., Farnham, F. R., Preston, L., & Darnley, B. (2008). Attacks on the British Royal family: The role of psychotic illness. The Journal of the American Academy of Psychiatry and the Law, 36, 59–67.

Mullen, P., James, D., Meloy, J. R., Pathé, M. T., Farnham, F. R., Preston, L., Darnley, B., & Berman, J. (2009). The fixated and the pursuit of public figures. Journal of Forensic Psychiatry & Psychology, 20, 33–47.

James, D. V., Mullen, P. E., Pathé, M. T., Meloy, J. R., Preston, L. F., Darnley, B., & Farnham, F. R. (2009). Stalkers and harassers of royalty: The role of mental illness and motivation. Psychological Medicine, 39(9), 1479–1490.

James, D. V. (2010). Protecting the prominent? A research journey with Paul Mullen. Criminal Behaviour and Mental Health, 20(3), 242–250.

James, D. V., Kerrigan, T., Forfar, R., Farnham, F., & Preston, L. (2010). The Fixated Threat Assessment Centre: Preventing harm and facilitating care. Journal of Forensic Psychiatry & Psychology, 21, 521–536.

James, D. V., Mullen, P. E., Meloy, J. R., Pathé, M. T., Preston, L., Darnley, B., Farnham, F. R., & Scalora, M. J. (2010). Stalkers and harassers of British royalty: An exploration of proxy behaviours for violence. Behavioral Sciences & the Law, 29(1), 64–80.

James, D. V., McEwan, T. E., MacKenzie, R. D., Meloy, J. R., Mullen, P. E., Pathé, M. T., Farnham, F. R., Preston, L. F., & Darnley, B. (2010). Persistence in stalking: A comparison of associations in general forensic and public figure samples. Journal of Forensic Psychiatry & Psychology, 21, 283–305.

James, D. V., Meloy, J. R., Mullen, P. E., Pathé, M. T., Farnham, F. R., Preston, L. F., & Darnley, B. J. (2010). Abnormal attentions toward the British Royal family: Factors associated with approach and escalation. The Journal of the American Academy of Psychiatry and the Law, 38, 329–340.

Meloy, J. R., James, D. V., Mullen, P. E., Pathé, M. T., Farnham, F. R., Preston, L. F., & Darnley, B. J. (2011). Factors associated with escalation and problematic approaches toward public figures. Journal of Forensic Sciences, 56(Suppl. 1), S128–S135.

Meloy, J. R., Hoffmann, J., Guldimann, A., & James, D. (2012). The role of warning behaviors in threat assessment: An exploration and suggested typology. Behavioral Sciences & the Law, 30, 256–279.

James, D. V., Farnham, F. R., & Wilson, S. P. (2014). The Fixated Threat Assessment Centre: Implementing a joint policing and psychiatric approach to risk assessment and management in public figure threat cases. In J. R. Meloy & J. Hoffmann (Eds.), International handbook of threat assessment (pp. 299–320). Oxford University Press.

James, D. V. (2015). Another helping of “intellectual hash”: Commentary on “Assassins of Rulers” (MacDonald, 1912). Journal of Threat Assessment and Management, 1, 228–240.

Farnham, F. R., & Busch, K. G. (2016). International perspectives on the protection of public officials. Behavioral Sciences & the Law, 34, 597–601.

James, D. V., & Farnham, F. R. (2016). Outcome and efficacy of interventions by a public figure threat assessment and management unit: A mirrored study of concerning behaviors and police contacts before and after intervention. Behavioral Sciences & the Law, 34, 660–680.

James, D. V., Farnham, F. R., Sukhwal, S., Jones, K., Carlisle, J., & Henley, S. (2016). Aggressive/intrusive behaviours, harassment and stalking of members of the United Kingdom parliament: A prevalence study and cross-national comparison. Journal of Forensic Psychiatry & Psychology, 27, 177–197.

James, D.V., Sukhwal, S., Farnham, F.R., Evans, J., Barrie, C., Taylor, A., & Wilson, S.P. (2016) Harassment and stalking of Members of the United Kingdom Parliament: associations and consequences. Journal of Forensic Psychiatry & Psychology, 27(3) 309-330, DOI:10.1080/14789949.2015.1124909

Wilson, S., Dempsey, C., Farnham, F., Manze, T., & Taylor, T. (2018). Stalking risks to celebrities and public figures. British Journal of Psychiatric Advances, 24, 152–160. https://doi.org/10.1192/bja.2017.22

Wilson, S., Farnham, F., Taylor, A., & Taylor, R. (2019). Reflections on working in public-figure threat management. Medicine, Science and the Law, 59(4), 275–281. https://doi.org/10.1177/ 0025802419861168

Barry-Walsh, J., James, D. V., & Mullen, P. E. (2020). Fixated Threat Assessment Centers: Preventing harm and facilitating care in public figure threat cases and those thought to be at risk of lone-actor grievance-fueled violence. CNS Spectrums, 25, 630–637. https://doi.org/10.1017/S1092852920000152

Wilson, S. P., Pathé, M. T., Farnham, F. R., & James, D. V. (2021). The fixated threat assessment centers. In J. R. Meloy & J. Hoffmann (Eds.), International handbook of threat assessment (2nd ed., pp. 475–491). Oxford University Press.

Clemmow, C., Gill, P., Corner, E., Farnham, F., Taylor, R., Wilson, S., Taylor, A., & James, D. (2021) A data-driven classification of outcome behaviours in those who cause concern to British public figures. Psychology, Public Policy, and Law 27 (4), 509-521.https://psycnet.apa.org/doi/10.1037/law0000269

Gill, P., Corner, E., Farnham, F., Wilson, S., Marchment, Z., Taylor, A., Taylor, R., & James, D. (2021). Predictors of varying levels of risks posed by fixated individuals to British public figures. Journal of Forensic Sciences, 66(4), 1364–1376. https://doi.org/10.1111/1556-4029.14708

Publications on Stalking and Harassment

Farnham, F.R., Ritchie, C.W., James, D.V. & Kennedy, H.G. (1997) Pathology of Love. Lancet, 350: 710.

Farnham, F.R., James, D.V., & Cantrell, P. (2000) Association between violence, psychosis and relationship to victim in stalkers. Lancet, 355:199.

James, D.V. & Farnham, F. (2002) Stalking and violence. Wissenschaft und Polizei, 4/2002; 26-34.

James, D.V. & Farnham, F. (2003) Stalking and serious violence. Journal of the American Academy of Psychiatry and the Law, 312: 432-9.

Kamphuis, J.H., Galeazzi, G.M., De Fazio, L., Emmelkamp, P.M.G., Farnham, F.R., Groenen, A., James, D.V., Vervaeke, G. (2005) Stalking – Perceptions and Attitudes Amongst helping Professions. An EU cross-national comparison. Clinical Psychology and Psychotherapy, 12(3): 215-225.

Modena Group on Stalking (2005) Female Victims of Stalking: Recognition and Intervention Models: a European Study. Milan: FrancoAngeli.

James, D.V. & Farnham, F.R. (2006). Stalking und Gewalt. In J. Hoffman & H-G. W. Voβ (Eds.) Psychologie des Stalking. Frankfurt: Lorei.

MacKenzie, R. D., Mullen, P. E., Ogloff, J. R., McEwan, T. E., & James, D. V. (2008). Parental bonding and adult attachment styles in different types of stalker. Journal of Forensic Sciences53(6), 1443–1449. https://doi.org/10.1111/j.1556-4029.2008.00869.x

MacKenzie, R. D., James, D. V., McEwan, T. E., Mullen, P. E., & Ogloff, J. R. P. (2010). Stalkers and intelligence: Implications for treatment. Journal of Forensic Psychiatry & Psychology, 21(6), 852–872.

MacKenzie, R.D. and James, D.V. (2011). Management and treatment of stalkers: problems, options, and solutions. Behavioral Sciences & the Law 29: 220–239.

McEwan, T. E., MacKenzie, R. D., Mullen, P. E., & James, D. V. (2012). Approach and escalation in stalking. Journal of Forensic Psychiatry & Psychology, 23(3), 392–409.

Wooster, L., Farnham, F. & James, D.V. (2013) The prevalence of stalking, harassment and aggressive/intrusive behaviours towards general practitioners. Journal of Forensic Psychiatry & Psychology, 24(4), DOI: 10.1080/14789949.2013.815258

Wooster, L., James, D.V. & Farnham F. (2015): Stalking, harassment and aggressive/intrusive behaviours towards general practitioners: associated factors, motivation, mental illness and effects on general practitioners. Journal of Forensic Psychiatry & Psychology, 27(1), DOI:10.1080/14789949.2015.1094118

Sheridan, L. P., & James, D. V. (2015). Complaints of group-stalking (‘gang-stalking’): An exploratory study of their nature and impact on complainants. Journal of Forensic Psychiatry & Psychology26, 601-623. 

James, D.V., Sukhwal, S., Farnham, F.R., Evans, J., Barrie, C., Taylor, A., & Wilson, S.P. (2016) Harassment and stalking of Members of the United Kingdom Parliament: associations and consequences. Journal of Forensic Psychiatry & Psychology, 27(3) 309-330, DOI:10.1080/14789949.2015.1124909

James, D.V., Farnham, F.R., Sukhwal, S., Jones, K., Carlisle, J., Henley, S. (2016) Aggressive/intrusive behaviours, harassment and stalking of members of the United Kingdom parliament: a prevalence study and cross-national comparison. Journal of Forensic Psychiatry & Psychology, 27 (2) DOI:10.1080/14789949.2015.1124908

James, D.V. and MacKenzie, R.D. (2017). Stalking and harassment. In: The Routledge International Handbook of Human Aggression (eds. J.L. Ireland, P. Birch and C.A. Ireland), 170–182. Abingdon, UK: Routledge.

Underwood, A., Farnham, F.R., Henley S. (2020) National Stalking Clinic: A UK Response to Assessing and Managing Stalking Behaviour. In Oliver Chan, Lorraine L Sheridan (Eds), Psycho-Criminological Approaches to Stalking Behaviour an International Perspective. Publisher: John Wiley & SonsLtd.

James, D.V. & Sheridan, L.P. (2020) What Works in Risk Assessment in Stalking Cases. Handbook of What Works in Violence Risk Management: Theory, Research and Practice, First Edition (pp. 527-542). Edited by J. Stephen Wormith, Leam A. Craig and Todd E. Hogue.

Sheridan, L., James, D. V., & Roth, J. (2020). The Phenomenology of Group Stalking (‘Gang-Stalking’): A Content Analysis of Subjective Experiences. International Journal of Environmental Research and Public Health17(7), 2506. https://doi.org/10.3390/ijerph17072506

Sheridan, L. & James, D.V. (2021) False Allegations in Rape, Stalking and Gang-Stalking. In J. R. Meloy & J. Hoffmann (Eds.), International Handbook of Threat Assessment (2nd ed., pp. 407–422). Oxford University Press.

Wheatley, R., Henley, S. and Farnham, F. (2022 in press) Stalking: Issues of deterrence.

Publications on Lone-actor Terrorism

VanDercar, A. H., Wagoner, R., Resnick, P. J., Farnham, F., & Corner, E. (In press) “Role of forensic mental health in lone-actor violence”. In J. Holzer, P. Recupero, P. Gill, & A. Dew (Eds.) Lone-actor terrorism: A multidimensional framework. Oxford University Press.

Gill, P., Farnham, F. & Clemmow, C. (2021) “The equifinality and multifinality of violent radicalization and mental health”. In K Bhui,  and D Bhugra (Eds.) Terrorism, Violent Radicalization and Mental Health. Oxford University Press.