Introduction
This essay examines the concept of ‘justice’ in the context of the loss of control defence to a charge of murder under UK law, focusing specifically on the special rules pertaining to sexual infidelity as a trigger for such loss. The loss of control defence, introduced under the Coroners and Justice Act 2009, replaced the former provocation defence and aimed to address perceived inequities in how emotional reactions to certain triggers were judged. Justice, in this context, is understood as the fair and impartial application of the law, balancing the need for accountability with recognition of human frailty under extreme emotional distress. This essay will explore the meaning of justice, analyse the application of special rules regarding sexual infidelity, and evaluate the extent to which these provisions achieve a just outcome for defendants and society.
The Meaning of Justice in Criminal Law
Justice within the criminal law framework is multifaceted, encompassing retribution, deterrence, and rehabilitation, while ensuring fairness in the treatment of offenders and victims. As Ashworth (2015) argues, justice requires a proportional response to criminal acts, taking into account the context and circumstances of the offence. In the case of murder, a mandatory life sentence reflects the gravity of taking a life; however, defences such as loss of control acknowledge that not all killings are equally culpable. Justice, therefore, demands a nuanced approach, differentiating between cold-blooded intent and actions driven by overwhelming emotional triggers. This understanding is critical when considering sexual infidelity as a qualifying trigger, as it involves deeply personal and often culturally charged emotions. The question remains whether the legal system’s response to such cases aligns with society’s sense of fairness.
Special Rules on Sexual Infidelity in the Loss of Control Defence
Under Section 55 of the Coroners and Justice Act 2009, sexual infidelity is explicitly excluded as a qualifying trigger for the loss of control defence, reflecting a legislative intent to prevent the justification of violence rooted in jealousy or possessiveness. This rule stems from historical concerns over the provocation defence, where juries sometimes sympathised with defendants who killed in response to a partner’s infidelity, often to the detriment of victims—particularly women. However, the law allows for sexual infidelity to be considered as part of the broader context if combined with other qualifying triggers, such as fear of serious violence. This nuanced stance aims to balance the risk of excusing domestic violence while recognising that infidelity can exacerbate emotional turmoil in certain circumstances. For instance, in cases where infidelity is revealed in a deliberately humiliating manner, the emotional impact might contribute to a loss of control, even if not the sole trigger (Herring, 2018).
Evaluating Justice in the Application of Special Rules
The exclusion of sexual infidelity as a standalone trigger arguably promotes justice by protecting victims of domestic abuse from perpetrators using jealousy as a defence. Indeed, this legislative choice reflects a broader societal shift towards condemning violence motivated by control or entitlement. However, critics argue that this restriction can be overly rigid, failing to account for genuine emotional distress in exceptional cases. As Herring (2018) notes, the law risks alienating defendants whose loss of control is understandable, if not excusable, thus undermining the principle of individualised justice. Furthermore, the complexity of applying contextual factors means that outcomes can be inconsistent, as juries may struggle to distinguish between contributory and primary triggers. This raises questions about whether the law achieves fairness or simply replaces one form of inequity with another.
Conclusion
In conclusion, while the special rules on sexual infidelity under the loss of control defence seek to uphold justice by curbing the misuse of emotional triggers to excuse violence, they also reveal tensions in balancing fairness for defendants and victims. Justice, as the equitable application of law, is partially achieved through safeguards against perpetuating harmful stereotypes about infidelity-related killings. Nevertheless, the exclusion’s inflexibility and the challenges of contextual application suggest that the law may not fully accommodate the complexities of human emotion. Future reform might consider clearer guidelines on contextual triggers to ensure consistency and fairness, thereby better aligning legal outcomes with society’s evolving understanding of justice.
References
- Ashworth, A. (2015) Principles of Criminal Law. 7th edn. Oxford University Press.
- Herring, J. (2018) Criminal Law: Text, Cases, and Materials. 8th edn. Oxford University Press.

