Comprehensive Guide to SQE Criminal Law and Litigation
Principles of Criminal Liability: Actus Reus, Mens Rea, and Causation
Criminal liability is established by the prosecution proving the actus reus ($AR$) and the mens rea ($MR$) of an offence beyond a reasonable doubt. The actus reus constitutes the external elements of the crime, encompassing the defendant’s conduct, specific circumstances, or the consequences of their actions. The mens rea involves the defendant’s state of mind at the time the act was committed, which typically requires proof of intention, recklessness, knowledge, or dishonesty. For a defendant to be found criminally liable, both elements must be present concurrently, and no valid legal defence must apply.
In offences that involve a specific result, such as injury or death, the prosecution must satisfy the requirements of causation. Factual causation is determined through the "but for" test: the result would not have occurred but for the conduct of the defendant. Legal causation requires that the defendant’s conduct be an "operating and substantial" cause of the result. For legal causation to hold, the chain of causation must remain intact and not be broken by a novus actus interveniens, or an intervening act. A significant factor making more than a minimal contribution is sufficient, even if it is not the sole cause of death or injury.
Non-Fatal Offences Against the Person under the Offences Against the Person Act 1861
Common assault is a summary offence committed when a defendant intentionally or recklessly causes another person to apprehend immediate unlawful violence. The actus reus is the victim’s fear of immediate unlawful force; physical contact is not required. The mens rea is the intention or recklessness regarding that apprehension. Battery occurs when a defendant intentionally or recklessly applies unlawful force. Even minor touching can be classified as battery if it is unlawful. The mens rea for battery is the intention or recklessness as to the application of that force.
Section of the Offences Against the Person Act covers assault occasioning actual bodily harm ($ABH$). This occurs when an underlying assault or battery causes an injury that is more than "transient or trifling," such as bruising, cuts, broken teeth, or recognized psychiatric conditions. The mens rea required is only the intention or recklessness for the initial assault or battery; the defendant need not intend or foresee the actual itself.
Section of the Offences Against the Person Act involves wounding or inflicting grievous bodily harm ($GBH$). A wound is defined as a break in the continuity of the skin, while $GBH$ means "really serious harm." The actus reus involves the defendant's conduct causing such injury. The mens rea is the intention or recklessness as to "some" physical harm; there is no requirement to intend "serious" injury. Section is the most severe non-fatal offence, involving wounding or causing $GBH$ with specific intent to cause really serious harm or to resist/prevent lawful arrest. Unlike Section , recklessness is insufficient for Section .
Theft, Robbery, Burglary, and Property Offences
Theft is defined under Section of the Theft Act as the dishonest appropriation of property belonging to another with the intention of permanently depriving the other of it. The actus reus includes appropriation (assuming any rights of the owner), property, and belonging to another. The mens rea involves dishonesty and the specific intent to permanently deprive. Dishonesty is assessed via the objective test established in Ivey v Genting Casinos: the court considers the defendant’s actual belief of the facts before determining if ordinary, decent people would view the conduct as dishonest.
Robbery, under Section of the Theft Act , is theft aggravated by the use or threat of force. The actus reus requires a completed theft combined with force or threat of force used immediately before or at the time of the theft, specifically in order to steal. The mens rea includes the mens rea for theft plus intention or recklessness regarding the use of force. Burglary under Section involves entering a building as a trespasser. Under Section , the entry must be with the intent to steal, inflict $GBH$, or cause criminal damage. Under Section , the defendant enters as a trespasser and subsequently commits or attempts to commit theft or $GBH$.
Aggravated burglary under Section occurs when a defendant commits any burglary while in possession of a firearm, imitation firearm, weapon of offence, or explosive. The mere possession during the burglary suffices; the weapon does not need to be used. Criminal damage is the intentional or reckless destruction of property belonging to another without lawful excuse. Aggravated criminal damage includes an additional element: the defendant intended or was reckless as to whether life would be endangered by the damage. Arson is specifically criminal damage caused by fire.
Homicide: Murder and Manslaughter
Murder is the unlawful killing of a human being with the intention to kill or the intention to cause grievous bodily harm. Intention can be direct (aim/purpose) or oblique (where death or $GBH$ was a virtually certain consequence and the defendant appreciated this). Causation is paramount. Factual causation uses the "but-for" test: but for the defendant’s actions, would the victim have died at that specific time/way? If a victim dies of a heart attack independently before consuming poison provided by the defendant, factual causation fails. Legal causation requires the act to be an "operating and substantial" cause.
Intervening acts (novus actus interveniens) can break the chain of causation. Medical negligence rarely breaks the chain unless it is so "overwhelmingly poor" that it becomes the primary cause of death. If a victim reacts reasonably to an attack (e.g., fleeing and having an accident), the chain is not broken. Voluntary manslaughter occurs when a defendant meets the criteria for murder but successfully raises a partial defence, such as loss of control or diminished responsibility. Involuntary manslaughter involves causing death without the intent for murder, categorized as either "unlawful act manslaughter" (death caused by a dangerous criminal act) or "gross negligence manslaughter" (breach of a duty of care so serious it constitutes a crime).
General and Partial Defences
General defences can lead to a full acquittal. Intoxication is a defence only in limited scenarios. Voluntary intoxication is a defence for specific intent offences (e.g., murder, Section $GBH$, theft, robbery) if it prevented the formation of the required intent, but it is not a defence for basic intent offences (e.g., assault, ABH, Section $GBH$) because the act of becoming intoxicated is considered reckless. Involuntary intoxication may provide a defence to both if it prevents the formation of mens rea. Self-defence/defence of another requires a defendant to have an honest belief that force was necessary and that the force used was reasonable and proportionate.
Partial defences only apply to murder and reduce the conviction to voluntary manslaughter. Loss of control requires a "qualifying trigger," such as fear of serious violence or being seriously wronged by things said or done. A person of the defendant's age and sex with a normal degree of tolerance must have reacted similarly. Diminished responsibility requires an abnormality of mental functioning from a recognized medical condition that substantially impairs the defendant’s ability to understand their conduct, form rational judgments, or exercise self-control.
Inchoate Offences and Parties to an Offence
Under the Criminal Attempts Act , an attempt occurs when a person, with the intention to commit an offence, performs an act that is "more than merely preparatory." The mens rea for an attempt always requires the intent to commit the full offence, even if the completed offence could be committed recklessly. For instance, pointing a loaded gun and pulling the trigger with intent to kill constitutes attempted murder even if the victim survives.
In terms of parties to an offence, the principal offender is the person who performs the actus reus with the required mens rea. An accomplice is one who intentionally assists or encourages the principal before or during the commission of the crime. To be liable as an accomplice, the person must know or believe the essential facts of the offence. Accomplices are generally liable to the same extent as the principal offender.
Police Station Rights and PACE 1984 Detention Limits
Suspects detained by police have fundamental rights under the Police and Criminal Evidence Act ($PACE$) and Code C. These include the right to free and independent legal advice, the right to have one person informed of their arrest, and the right to consult the Codes of Practice. For vulnerable suspects (those under or with mental health/learning difficulties), an "appropriate adult" must be present to assist with communication and ensure welfare, though they do not provide legal advice.
Detention time limits are strictly regulated. The standard maximum detention period without charge is . This can be extended to by a police superintendent for indictable offences if necessary and proportionate. A further extension, up to a total of , can be authorized by a Magistrates’ Court. Detention must be reviewed by an independent custody officer (at least an Inspector). The first review occurs within of detention beginning, with subsequent reviews every .
Identification Procedures and PACE Code D
Identification procedures are regulated by $PACE$ Code D to prevent false accusations. These are required when the suspect disputes being the person seen by a witness and the police believe identification evidence is relevant. Methods include Video Identification (the preferred method, using $VIPER$ systems where the suspect is shown alongside similar-looking people), Identification Parades (a physical lineup of at least people plus the suspect), Group Identification, or direct Confrontation (used only in rare circumstances).
Scientific identification methods also fall under this scope, including fingerprints, $DNA$ profiling, footwear impressions, and bodily marking analysis. A procedure is not required if the suspect’s identity is already known and not in dispute, or if the suspect admits to being present. The procedure must be fair; the officer in charge should not provide clues or suggest any specific individual for the witness to choose.
The Right to Silence and Adverse Inferences
Under $PACE$, while a suspect has the right to remain silent, the Criminal Justice and Public Order Act allows the court to draw "adverse inferences" from that silence in specific situations. Under Section , an inference can be drawn if a defendant fails to mention a fact during questioning that they later rely on in court, provided it was a fact they could reasonably have been expected to mention. Section allows an inference if the defendant fails to give evidence at trial.
Sections and allow inferences if a defendant fails to explain objects, substances, or marks found on them, or their presence at a particular location. However, Section provides the safeguard that a person cannot be convicted solely on the basis of an adverse inference; there must be other evidence. Solicitors must provide balanced advice on whether to answer questions, remain silent, or use a prepared statement based on the strength of the evidence.
Bail: The Bail Act 1976 and Legal Procedures
Under the Bail Act , there is a general presumption that a defendant has a right to bail. Prosecution can oppose bail by proving statutory exceptions: substantial grounds for believing the defendant will abscond, commit further offences, or interfere with witnesses. The court considers the seriousness of the offence, the defendant’s character, ties to the community, and past record.
Conditional bail may be granted to manage risks, with requirements such as living at a specific address, surrendering a passport, obeying a curfew, or not contacting witnesses. If the Magistrates’ Court refuses bail, the defendant has a statutory right to appeal to the Crown Court. Breaching bail conditions or absconding (failure to surrender) can lead to arrest, revocation of bail, and being remanded in custody.
First Hearings and Classification of Offences
Offences are categorized into three types: Summary-only (least serious, e.g., common assault, heard in Magistrates' Court), Indictable-only (most serious, e.g., murder, robbery, sent immediately to Crown Court), and Either-way (e.g., theft, $ABH$, can be heard in either court). At the first hearing, identity is confirmed, and a Plea Before Venue procedure is followed for either-way offences. If a defendant pleads guilty, Magistrates may sentence them or commit them to the Crown Court if their powers are insufficient. If they plead not guilty, the court conducts an allocation procedure to determine which court is most suitable for trial.
A Representation Order (legal aid) can be applied for, subject to the "Means Test" (financial eligibility) and the "Interests of Justice Test" (merits of the case, e.g., risk of imprisonment or complexity). While legal advice at the police station is free for everyone regardless of income, court representation orders are not automatic and require qualification.
Case Management, Disclosure, and Evidence Admissibility
Case management aims for efficiency and fairness. In the Crown Court, the Plea and Trial Preparation Hearing ($PTPH$) sets the timetable and identifies trial issues. Disclosure involves the prosecution sharing material that undermines their case or assists the defence. The defence in the Crown Court must provide a Defence Statement. Unused material (evidence not used by the prosecution) must also be disclosed if it is relevant.
The Burden of Proof is on the prosecution to prove guilt "beyond reasonable doubt." Visual identification is governed by the Turnbull Guidelines: the judge must warn the jury of the dangers of mistaken identity and use the $ADVOKATE$ mnemonic to evaluate quality (Amount of time, Distance, Visibility, Obstructions, Known before, Any reason to remember, Time lapse, Errors). Hearsay (out-of-court statements) is generally inadmissible unless it falls under an exception in the Criminal Justice Act , such as witness unavailability or business documents.
Confessions can be excluded under $PACE$ Section if obtained via oppression or unreliability. Prosecution evidence can be excluded at the judge’s discretion under Section if its admission would unfairly impact the proceedings. Bad character evidence (prior misconduct) is admitted through specific "gateways": for defendants (e.g., propensity to commit crimes, correcting a false impression) and for non-defendants (e.g., substantial probative value).
Trial Procedure and Sentencing
During a trial, the prosecution presents its case first. At the close of the prosecution case, the defence may make a submission of "no case to answer," arguing the evidence is insufficient for conviction. During witness examination, "leading questions" (those suggesting an answer) are generally only permitted during cross-examination. A witness is "competent" if they can understand and answer questions; they are "compellable" if they can be legally forced to testify. Defendants are competent but not compellable for their own trial.
Sentencing follows the Sentencing Council Guidelines, assessing seriousness based on culpability and harm. Aggravating factors (e.g., use of weapon, previous convictions) increase the sentence, while mitigating factors (e.g., remorse, minor role, early guilty plea) reduce it. Sentences can be concurrent (served at the same time for related offences) or consecutive (served one after another for separate incidents). A Newton Hearing is held if a defendant pleads guilty but disputes specific facts that would significantly affect the sentencing outcome.
Appeals and Youth Court Jurisdiction
Appeals from the Magistrates’ Court regarding conviction or sentence go to the Crown Court (a full re-hearing) or the High Court (on a "case stated" basis regarding points of law). Appeals from the Crown Court go to the Court of Appeal (Criminal Division). The Supreme Court only hears cases involving points of law of general public importance.
Youth Courts handle defendants aged to . While all youths start in the Youth Court, "grave crimes" (e.g., murder) or scenarios where they are charged jointly with an adult may lead the case to the Crown Court. Sentencing for youths focuses on rehabilitation, utilizing Referral Orders, Youth Rehabilitation Orders, and Detention and Training Orders ($DTO$).