High Court of Australia

Police v Dunstall [2015] HCA 26

5 Aug 2015

Case Number: A5/2015

Before

French CJ, Kiefel, Bell, Gageler, Keane, Nettle JJ

Catchwords

Criminal law – Evidence – Judicial discretion to admit or exclude evidence – Section 47B(1)(a) of Road Traffic Act 1961 (SA) created offence for person to drive motor vehicle while prescribed concentration of alcohol present in blood – Section 47K(1) of Act created presumption that breath analysis reading corresponded to blood alcohol level at time of analysis – Section 47K(1a) of Act provided presumption could only be rebutted if defendant arranged for blood sample to be taken in accordance with prescribed procedures and adduced evidence that analysis of blood demonstrates that breath analysis reading instrument gave exaggerated reading – Where respondent charged with offence against s 47B(1)(a) and pleaded not guilty – Where breath analysis reading indicated blood alcohol level above prescribed concentration – Where respondent arranged for blood sample to be taken but sample unable to be analysed through no fault of appellant or respondent – Where appellant sought to tender evidence of breath analysis reading – Whether there exists residual common law discretion to exclude lawfully obtained, probative, non-confessional evidence unaffected by impropriety or risk of prejudicial misuse where admission would render trial of accused unfair – Whether respondent's trial unfair in relevant sense if evidence of breath analysis reading admitted.

Words and phrases – "Bunning v Cross discretion", "Christie discretion", "forensic unfairness", "general unfairness discretion", "Lee discretion", "unfair trial".

Road Traffic Act 1961 (SA) – ss 47B(1)(a), 47K.

Road Traffic (Miscellaneous) Regulations 1999 (SA) – reg 11, Sched 1.
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