Tofilau v The Queen

The High Court of Australia considered appeals from convictions arising from confessions made by the appellants to undercover police officers. These officers posed as members of a criminal gang and employed "scenario evidence" techniques, staging criminal activities to gain the suspects' trust. The officers offered gang membership, material benefits, and the prospect of avoiding prosecution for prior crimes in exchange for the suspects confessing their involvement in serious offences.

The central legal issue before the Court was whether confessions obtained through these deceptive police tactics were admissible in criminal proceedings. This required the Court to examine the rules governing the admissibility of confessions, specifically the concepts of "inducement," "person in authority," and "basal voluntariness." The Court also considered whether to exercise its discretion to exclude the confessions on grounds of public policy, unfairness, prejudice, or reliability, given the deceptive methods employed by the police.

The Court reasoned that the traditional rules regarding confessions made to a "person in authority" were not engaged because the appellants did not know or believe they were speaking to police officers or individuals with lawful authority to influence their prosecution. Furthermore, the Court found that the confessions were "voluntarily" made, meaning the appellants' wills were not overborne by the police tactics. The deception employed by the police, while potentially controversial, did not render the confessions involuntary or inherently unreliable. The Court also considered the discretionary grounds for exclusion, but found that the circumstances did not warrant such exclusion.

Each appeal was dismissed, with the majority holding that the confessions were rightly admitted at trial. Kirby J dissented.