Citation: R v Karaali (No 8) [2023] NSWSC 237
Court: Supreme Court of New South Wales
Date: 22 February 2023
Judge(s): Campbell J
Background
The accused stood trial for offences arising from serious assaults on a man who subsequently died. The prosecution's case was partly circumstantial, relying on telephone records to establish communication between key individuals on 13 and 14 February 2020 and to place those individuals geographically near the location of the alleged assaults in Wakeley.
The Crown sought to tender a spreadsheet (Exhibit C) summarising telephone records for five individuals, including the accused and the deceased. The summary included information attributing each telephone communication to a specific base station or "cell tower," from which the Crown wished the jury to infer the general whereabouts of the accused and a co-participant at the relevant time.
Defence counsel objected, raising concerns about the risk of the jury forming premature and firm conclusions about the accused's location before hearing explanatory expert evidence. Telecommunications experts were expected to give evidence that a mobile phone does not necessarily connect to the nearest base station, for a variety of reasons.
Legal Issues
- Whether the telephone records summary satisfied the requirements for admission under section 50 of the Evidence Act 1995 (NSW)
- Whether the probative value of the cell tower attribution evidence was outweighed by the danger of unfair prejudice under section 137 of the Evidence Act 1995 (NSW)
- Whether a limiting direction under section 136 of the Evidence Act 1995 (NSW) was appropriate to address the risk of misuse by the jury
Decision
Issue 1: Satisfaction of section 50 conditions
Campbell J held that Exhibit C clearly satisfied the requirements of section 50 of the Evidence Act. There was no dispute that the schedule was a summary of multiple documents and that the other conditions in section 50(2) were met. The evidence was otherwise relevant and prima facie admissible (at [5]).
Issue 2: Section 137 unfair prejudice
The court was not satisfied that section 137 was engaged. Although there was a possibility the jury could form firm conclusions about the probative value of the cell tower attribution before hearing expert evidence, Campbell J did not consider that possibility rose to the level required to exclude the evidence on the ground that its probative value was outweighed by the danger of unfair prejudice (at [6]).
Issue 3: Section 136 limiting direction
Campbell J considered it prudent, at the point of admission, to limit the use the jury could make of Exhibit C under section 136 of the Evidence Act. This step was taken in anticipation that the exhibit's contents would be the subject of later expert explanation, and was intended to guard against premature reliance on the cell tower attribution information (at [6]).
Orders Made
- The Schedule of Telephone Records admitted as Exhibit C.
Key Takeaways
- A summary of telephone records tendered under section 50 of the Evidence Act 1995 (NSW) may be admitted where the statutory conditions are met, the documents summarised are voluminous, and the evidence is otherwise relevant.
- Section 137 was not engaged merely because a jury might form preliminary views about the probative value of cell tower attribution evidence before hearing expert explanation; the threshold for exclusion on unfair prejudice grounds was not reached (at [6]).
- Where expert evidence is anticipated to explain or qualify information in an admitted exhibit, a court may impose a limiting direction under section 136 of the Evidence Act at the time of admission to reduce the risk of the jury misusing that information (at [6]).
- The expectation that telecommunications experts would concede limitations in cell tower attribution (including that a phone does not always connect to the nearest base station) was relevant context for the court's decision to impose a section 136 direction, even though it did not enliven the section 137 exclusionary rule (at [4], [6]).
- Campbell J's approach illustrates that sections 136 and 137 serve distinct functions: section 136 permits use-limitation as a less drastic alternative where the evidence is admissible but carries some risk of misuse.
Legislation and Cases Referenced
Legislation
- Evidence Act 1995 (NSW) ss 5 0, 13 6, 137
Cases
- Not stated