Omissions in UK criminal law. The concept of omissions in criminal law pertains to the actus reus element of a crime. Standard legal doctrine requires the defendant to take positive action before being criminally liable.

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John A. Mathew
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Omissions

This essay examines the current law about omissions in the English legal system and the need for reform within it. In order to understand the concept of omissions one needs to first understand how criminal liability is imposed. A person can be found guilty of a crime only if s/he possessed the necessary mens rea and actus reus for committing the crime. Actus reus is the “guilty deed or act” (Law Teacher, 2009) while mens rea is the accompanying “guilty state of mind” (Law Teacher, 2009).

The concept of omissions in criminal law pertains to the actus reus element of a crime. Standard legal doctrine requires the defendant to take positive action before being criminally liable. Since omission is the failure to do something it is not considered to be positive step (apart from a few exceptions). Because of this, omissions are not ordinarily sufficient reason for imposing criminal liability. According to Simester “these exceptions arise when the defendant has a duty to intervene and prevent the prohibited harm from occurring, whereupon his failure to do so counts as an omission satisfying that behavioural element of that actus reus” (Simester & Sullivan, 2007). A person’s duty to act can be classified into four broad categories:

  • The first is a duty based on status relationships. This duty is owed in special circumstances when the defendant is found to be under more that a general duty, such as the duty owed by parents to their children. This duty was seen in the cases of R v Instan , R v Stone & Dobinson and R v Gibbons & Proctor.
  • The second is a duty on contractual obligation. Such a duty is created by an express or implied contract. This was seen in the case of R v Pittwood.
  • The third is a duty based on creation of a risk. Such a duty arises when a person has created a dangerous situation even if it is unintentional. The person owes a common law duty to render assistance as was seen in the case of R v Miller.
  • The fourth is a statutory duty to act. Such a duty is imposed by statutes which expressly impose a liability for an omission. R v Firth is a good example of breach of such duty.
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Now that we have established what amounts to criminal liability under the doctrine of omissions, we can try to understand why omissions are treated separately from normal acts - this might not make any practical difference to ones criminal liability. The main reason for this is based upon considerations of autonomy (Simester & Sullivan, 2007). The society we live in respects citizens as individuals. They have free will in determining their own choices rather than being dictated to by legal duties. Although there is a paradox in that criminal law can also be seen as restricting our autonomy, affirmative action ...

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