Ground 1 : His Honour erred in failing to discharge the jury and allowing the evidence of Dr Larsen.
9 Dr Larsen is a general practitioner conducting her practice in the inner west. She was, at the relevant time, also a member of the Sexual Assault Unit at Royal Prince Alfred Hospital where she was rostered on one night per week. She had had many years experience working in the Sexual Assault Units at Royal Prince Alfred Hospital and Liverpool Hospital on a part-time after-hours basis. There was no evidence that she knew the complainant prior to her examination on 4 August 2001.
10 Dr Larsen had given evidence at the trial before Judge Woods. She was called by the Crown to give evidence at the retrial. Whilst waiting in the court precincts she conversed with the officer in charge of the investigation, whom she had known for some time. The conversation was overheard and this resulted in her being examined by the appellant's counsel on the voir dire. She gave evidence on the voir dire that she had had a general conversation with the police officer. They talked about a lot of different things but did not discuss the evidence the doctor would be giving. In the course of that conversation, the police officer had mentioned that there was a possibility the complainant's and the appellant's past bad character might be raised. He also asked her non specific questions as to whether drugs affect ejaculation or sperm. The officer in charge may have said that the sperm tested was infertile and this could be due to cocaine that the appellant probably used that night. The doctor had been aware of the allegation of drug use by the appellant. The original history taken by her from the complainant had included reference to allegations of drug use by the appellant.
11 Upon completion of the voir dire, counsel for the appellant sought a discharge of the jury on the basis that:
"…a very important Crown witness has now been told that my client has bad character and it has been told to her that he may have used cocaine that night.
The context of being asked about ejaculation and sperm, she's assumed relates to this case, she's assumed the drugs, and then she doesn't actually admit it until I put the proposition to her, and I read out the note that I've been given, and then she agrees that he probably said that, cocaine use that night. Now she's being called to give evidence for the Crown."
12 His Honour refused the application. He said:
"…the position is that Dr Larsen is an expert witness.
She can, in any event, be cross examined as to the impact on her of that conversation if that is thought forensically desirable.
I do not think that the prejudice is such to warrant the step of a discharge in these circumstances."
13 In R v George (1987) 9 NSWLR 527 at 534 Street CJ said:
"This Court has repeatedly emphasised that the decision to discharge or not is essentially one within the discretion of the trial judge, being a decision to be made in the awareness of contemporary atmosphere and the likelihood of material prejudice being occasioned to the accused person."
14 Whilst it is true the appellant's counsel would have been hampered in cross examining on this issue as it may have involved disclosure of the appellant's bad character, there was no evidence Dr Larsen was influenced in any way by the conversation. At the highest, counsel for the appellant suggested some evasiveness or reluctance on the part of Dr Larsen in answering questions on the voir dire. However, this is explicable by some concern on the part of the doctor that she may have erred in talking to the police officer or that she had difficulty in recalling what was said in a casual, wide-ranging, conversation. Her evidence was the subject of earlier notes and a transcript and any departure from that evidence could be the subject of attack in cross examination. In my opinion, his Honour did not err in exercising his discretion to refuse the application to discharge the jury.
15 In this Court, counsel for the appellant submitted there was evidence that the information obtained from the officer in charge may have caused Dr Larsen to change her evidence from that which she had given at the earlier trial and to give evidence designed to assist the complainant. He relied, essentially, upon two matters in support of this contention. Firstly, the doctor's notes only recorded one act of penetration (whilst the complainant was on her stomach) yet the doctor was prepared to assume an earlier penetration from that part of her note which read "After 5-10 minutes he pushed her onto her stomach and pushed her face in a pillow". However, this does not advance the appellant's case as there was no issue that penetration occurred during the period to which the doctor's note referred. The disputed intercourse, which the complainant alleged occurred whilst she was on her stomach, was the subject of a clear record in the doctor's note. Secondly it was submitted that Dr Larsen had agreed at the first trial that the complainant's injuries could have been caused by vigorous sexual intercourse and she had given contrary evidence at the second trial. However, a fair reading of the evidence at the first trial was, as the doctor explained, that in giving such evidence she was referring to the graze on the complainant's vagina only.
16 In my opinion it has not been demonstrated that Dr Larsen materially changed her evidence, or that her evidence was influenced by the conversation with the officer in charge. I reject this ground of appeal.