Blakely & Sutton v DPP, [1991] RTR 405

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Harriet hosts a gathering at her apartment to celebrate a friend’s recent promotion. Concerned about the possibility of her friend driving under the influence, she discreetly adds a newly advertised ‘sobering agent’ to his drink, genuinely believing it will reduce intoxication. The friend, unaware of these alterations, ends up consuming more alcohol than planned and decides to drive home. He is later arrested and charged with drunk driving. Subsequently, Harriet is charged with indirectly causing or assisting the offence in question.


Which of the following represents the single best statement regarding Harriet’s criminal liability for her friend’s actions?

Introduction

Liability for a crime without direct involvement applies when someone is held legally accountable even if they did not physically commit the offence. This requires showing a clear link between the person’s conduct and the crime committed by another. Prosecutors must show the person’s actions played a major role in the offence, not just as a minor or unrelated element. A key issue is that the person did not carry out the crime themselves. Liability arises from creating conditions that enabled another to commit the offence.

The Facts of Blakely and Sutton

In Blakely and Sutton, two individuals tried to stop their friend from driving after drinking by adding sugar to his tonic water, thinking this would reduce his intoxication. Unknowingly, this raised his blood alcohol level. The friend later drove and was convicted of drunk driving. The two were charged with aiding this offence.

The Legal Principles at Play

The House of Lords ruled the defendants did not aid the offence. The court separated directly causing an offence from passively letting it happen. Letting it happen requires proof the main offender acted because of the defendant’s influence, making the defendant a key participant. Causing requires a closer connection. The defendants’ actions, though wrong, did not force the friend to drive. He kept his own decision-making power.

Causation and the Novus Actus Interveniens

A key factor is whether a novus actus interveniens – a separate act – broke the chain of events. If the defendants had made the friend drink the altered tonic or lied about its contents, the result might have changed. Such acts could create a direct link, removing the friend’s free choice. However, his decision to drive after drinking cut this chain.

Differences Between Allowing, Assisting, and Causing

Blakely and Sutton clarifies differences in levels of involvement in crimes. Allowing means supporting someone to commit an offence. Assisting means helping the offender during the act. Causing requires proof the defendant’s actions directly led to the crime. These differences impact legal responsibility.

Application of Blakely and Sutton in Current Law

The principles from Blakely and Sutton still matter today. This case shapes how courts handle indirect participation in crimes. It highlights the need to prove a direct tie between actions and the offence. It also shows how courts determine whether the main offender’s independent choice broke the chain of events.

Conclusion

Blakely and Sutton v DPP clarifies rules on liability for crimes without direct involvement. It separates this from letting offences happen and stresses causation and intervening acts. The case remains important for interpreting related legal issues. The difference between causing and allowing is complicated, and Blakely and Sutton helps explain indirect liability. By focusing on direct links and independent choice, it sets rules for cases where individuals are accused of aiding crimes without direct participation. These principles stay key to criminal law, balancing accountability with fairness.

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Pleased to share that I have successfully passed the SQE1 exam on 1st attempt. With SQE2 exempted, I’m now one step closer to getting enrolled as a Solicitor of England and Wales! Would like to thank my seniors, colleagues, mentors and friends for all the support during this grueling journey. This is one of the most difficult bar exams in the world to undertake, especially alongside a full time job! So happy to help out any aspirant who may be reading this message! I had prepared from the University of Law SQE Manuals and the AI powered MCQ bank from PastPaperHero.

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