The criminal trial process: courts, adversary system, pleas, juries and legal aid: HSC Legal Studies

What this dot point is asking

The criminal trial process is the stage in which guilt is determined. The syllabus lists court jurisdiction, the adversary system, legal personnel (magistrate, judge, police prosecutor, Director of Public Prosecutions, Public Defenders), pleas and charge negotiation, legal representation including legal aid, the burden and standard of proof, the use of evidence including witnesses, defences, and the role of juries including verdicts. You must be able to describe the role of courts, discuss the adversary system, examine legal representation, evaluate juries and assess the effectiveness of the criminal trial process as a means of achieving justice.

It is the most frequently examined part of Crime at the extended response level: the 2024 Section II Part B question asked how far the trial and sentencing process provides justice for adult offenders, and the 2023 question asked how far courts encourage compliance with the criminal law. Defences are covered on their own page.

The answer

Court jurisdiction

Jurisdiction is a court's legal authority to hear a matter. NSW courts are arranged in a hierarchy so that seriousness matches the resources and expertise of the court, and so that higher courts can correct lower ones.

Specialist courts and lists show courts adapting to particular offenders. The Drug Court (Drug Court Act 1998 (NSW)) supervises drug-dependent offenders through intensive treatment programs with rewards and sanctions. The Youth Koori Court in the Children's Court and circle sentencing in the Local Court involve Aboriginal Elders and respected persons. These are central to the 2023 HSC question about how courts encourage compliance.

The adversary system

NSW uses the adversary system. Two opposing parties, the prosecution and the defence, gather and present their own evidence and test each other's case through cross-examination, before an impartial decision maker (a magistrate, or a judge and jury). The judge acts as an umpire, ruling on law and procedure, and does not investigate the facts. This contrasts with the inquisitorial system used in much of Europe, in which a judge actively directs the investigation and questioning.

Strengths. Vigorous testing of evidence; a neutral decision maker; strong protection of the accused through the presumption of innocence, the burden of proof and the right to silence.

Weaknesses. The outcome can depend on the skill and resources of each side, so wealth and legal aid matter; the contest can exclude relevant evidence; delays and cost are significant; and cross-examination can re-traumatise victims and vulnerable witnesses.

NSW has softened the adversarial model with case management features, such as charge certification and case conferences for indictable offences (since April 2018), and with protections for vulnerable witnesses.

Legal personnel

• Magistrate. Presides in the Local Court, decides both facts and law in summary matters, and sentences.
• Judge. Presides in the District and Supreme Courts, rules on law and evidence, directs the jury, and sentences.
• Police prosecutor. A police officer who prosecutes most summary matters in the Local Court.
• Director of Public Prosecutions. The Office of the DPP (Director of Public Prosecutions Act 1986 (NSW)) prosecutes serious indictable offences independently of police and government, applying published Prosecution Guidelines. The Commonwealth DPP prosecutes federal offences.
• Public Defenders. Senior barristers employed under the Public Defenders Act 1995 (NSW) to represent legally aided accused people in serious trials and appeals.
• Defence lawyers. Private solicitors and barristers, Legal Aid NSW lawyers, and the Aboriginal Legal Service NSW/ACT.

Pleas and charge negotiation

At arraignment the accused pleads guilty or not guilty. Most criminal matters end in a guilty plea, which avoids a trial, spares victims from giving evidence and saves resources. Under the 2018 early appropriate guilty pleas scheme, a plea to an indictable offence before committal attracts a 25% sentence discount, falling to 10% if entered at least 14 days before trial and 5% otherwise (Crimes (Sentencing Procedure) Act 1999 (NSW) s 25D).

Charge negotiation is discussion between prosecution and defence in which the accused agrees to plead guilty to some charges, or to a less serious charge, in return for others being withdrawn, or agrees on the facts to be put to the sentencing court. The ODPP's Prosecution Guidelines require that the charges still reflect the criminality of the conduct, and the Charter of Victims Rights (Victims Rights and Support Act 2013 (NSW)) entitles victims to be consulted about decisions to modify or not proceed with charges.

Evaluation. Charge negotiation is efficient and gives certainty, but it happens in private, can leave victims feeling that the charge does not reflect what happened, and can pressure innocent or remanded accused people into pleading guilty to secure release or a discount.

Legal representation, including legal aid

The adversary system assumes each side has a competent lawyer. In Dietrich v The Queen (1992) 177 CLR 292 the High Court held that there is no absolute right to publicly funded counsel, but that where an indigent accused charged with a serious offence is unrepresented through no fault of their own, the trial should ordinarily be adjourned or stayed until representation is available, because otherwise the trial would be unfair. Article 14 of the International Covenant on Civil and Political Rights also protects the right to legal assistance.

Legal Aid NSW provides representation subject to a means test and a merits test, alongside the Aboriginal Legal Service and community legal centres. The independent review of the National Legal Assistance Partnership by Dr Warren Mundy, released in 2024, found the legal assistance sector was underfunded and cited research suggesting that over 1.5 million people living below the poverty line were ineligible for legal assistance under current means tests. Unrepresented accused are more likely to plead guilty, less able to test evidence and more likely to be convicted, so funding is a direct measure of how effective the trial process is.

Burden and standard of proof

The prosecution bears the burden of proof and must prove every element beyond reasonable doubt (Evidence Act 1995 (NSW) s 141). This is the central safeguard against wrongful conviction. Where the accused raises a defence such as self-defence, the prosecution must usually disprove it beyond reasonable doubt; for mental health impairment and substantial impairment the accused bears the burden on the balance of probabilities.

Use of evidence, including witnesses

The Evidence Act 1995 (NSW) controls what the jury can hear. Evidence must be relevant (s 55). The judge may exclude evidence whose probative value is outweighed by the danger of unfair prejudice (s 137) and may exclude improperly obtained evidence (s 138). Tendency and coincidence evidence rules were loosened in 2020 for child sexual offence prosecutions after the Royal Commission into Institutional Responses to Child Sexual Abuse.

Witnesses give evidence in chief, are cross-examined and may be re-examined. The accused cannot be forced to give evidence, and the prosecution cannot comment on an accused's failure to testify. Vulnerable witnesses are protected: complainants in sexual offence cases may give evidence by closed-circuit television or with screens and support persons, and evidence about a complainant's sexual history is restricted (Criminal Procedure Act 1986 (NSW) s 293). The Child Sexual Offence Evidence Program, originally piloted at the Downing Centre and Newcastle, was expanded statewide from 2023, allowing children to pre-record their evidence and to be assisted by trained witness intermediaries.

The role of juries, including verdicts

Trials on indictment in the District and Supreme Courts are usually heard by a jury of 12 citizens chosen at random from the electoral roll (Jury Act 1977 (NSW)). The jury decides the facts and delivers a verdict of guilty or not guilty; the judge decides the law, directs the jury and sentences.

• Verdicts. A verdict should be unanimous. If the jury cannot agree after at least 8 hours, the court may accept a majority verdict of 11 to 1 (s 55F). If no verdict is possible, the jury is hung and discharged, and the prosecution may seek a retrial.
• Judge-alone trials. The accused may apply for a trial by judge alone (Criminal Procedure Act 1986 (NSW) s 132). The court must make the order if the prosecution agrees, and may make it without agreement if it is in the interests of justice. The judge must give reasons (s 133).
• Protecting jury integrity. Jurors must not make their own inquiries, including online research (s 68C), and it is an offence to solicit information about deliberations (s 68A).

Evaluation of juries. Juries bring community values into the law, provide a check on state power and give the system legitimacy. But jurors can struggle with complex or technical evidence, give no reasons, and can be affected by publicity or misconduct. In R v Skaf [2004] NSWCCA 37, convictions for a group sexual assault were quashed partly because jurors had visited the crime scene. In October 2022 the ACT Supreme Court trial of Bruce Lehrmann was aborted after a juror brought research material into the jury room. These cases show why judge-alone trials, majority verdicts and juror offences exist.

Appeals and correcting miscarriages of justice

A convicted person can appeal against conviction or sentence to the Court of Criminal Appeal under the Criminal Appeal Act 1912 (NSW); the Crown can appeal against the inadequacy of a sentence (s 5D). Appeals from the Local Court go to the District Court. A further appeal to the High Court needs special leave. In Pell v The Queen [2020] HCA 12, a Victorian case, the High Court unanimously quashed convictions on the basis that the jury, acting rationally on the whole of the evidence, ought to have entertained a reasonable doubt.

The Kathleen Folbigg case is the leading NSW example. Folbigg was convicted in 2003 of killing her four children. A second inquiry, led by former Chief Justice Tom Bathurst, found reasonable doubt in light of new genetic and scientific evidence; she was pardoned and released in June 2023, and on 14 December 2023 the Court of Criminal Appeal quashed her convictions under the review provisions of the Crimes (Appeal and Review) Act 2001 (NSW). The case shows the system can correct itself, but only after 20 years in prison, and it prompted calls for an independent criminal cases review commission.

The same Act allows a retrial after an acquittal for a life sentence offence where there is fresh and compelling evidence (the 2006 double jeopardy reforms). The Court of Criminal Appeal refused such an application in the Bowraville murders case in 2018, showing how high the threshold remains.

Evaluating the criminal trial process

A Band 6 judgement: the trial process achieves justice for most accused people in formal terms, and it is improving for vulnerable witnesses, but access to representation and the pressure to plead guilty limit substantive justice, and wrongful conviction cases show the cost when it fails.

In one sentence

The NSW criminal trial is an adversarial contest in a court matched to the seriousness of the offence, in which an independent prosecutor must prove guilt beyond reasonable doubt to a magistrate or jury, with legal aid, rules of evidence, witness protections and appeals designed to make it fair, although cost, delay, plea pressure and occasional wrongful convictions limit how fully it achieves justice.

Try this

Q1. Describe the role of TWO legal personnel in the criminal trial process. (4 marks)

• What the marker wants. Two correctly identified personnel from the syllabus list, each with their function and the court in which they work.

Q2. Examine the role of legal representation in the criminal trial. (6 marks)

• What the marker wants. The adversary system's reliance on lawyers, Dietrich, Legal Aid NSW and the 2024 Mundy review, and the consequences for unrepresented accused people.

Q3. To what extent does the criminal trial process achieve justice for victims? (15 marks)

• What the marker wants. A sustained judgement using the Charter of Victims Rights, charge negotiation, the CSOEP, vulnerable witness protections and delay, balanced against the rights of the accused.