Deren v State of New South Wales

The case of *Deren v State of New South Wales* concerned an appeal to the High Court of Australia following a decision of the Supreme Court of New South Wales. The appellant, Mr Deren, had brought proceedings against the State of New South Wales, alleging that he had been unlawfully detained. The core of the dispute revolved around the validity of certain actions taken by police officers in relation to Mr Deren.

The High Court was required to determine whether Mr Deren's detention was lawful under the provisions of the *Crimes Act 1900* (NSW) and, by extension, whether any evidence obtained as a result of that detention should be excluded from consideration. Specifically, the court had to consider the scope of police powers to detain a person for the purpose of questioning and the circumstances under which such detention might become unlawful.

The majority of the High Court, comprising Gaudron, McHugh and Hayne JJ, held that the detention of Mr Deren was unlawful. Their Honours reasoned that the police officers had exceeded the powers conferred upon them by the *Crimes Act* in detaining Mr Deren for questioning. The Act permitted detention for questioning only in specific circumstances, and the actions of the officers in this instance did not fall within those parameters. Consequently, the court found that the subsequent actions taken by the police, including the obtaining of evidence, were tainted by the initial unlawful detention.

The High Court allowed the appeal and ordered that the evidence obtained from Mr Deren be excluded.