Did his Honour err in excluding the disputed evidence?
52The evidence excluded was that sought to be called from various officers present at relevant times, as to what was said and done when they were seeking to exercise their power to inspect parts of the centres. It was as the result of these events that Mr Powell was charged with wilful obstruction under s 25. Evidence of what he did and said on those occasions was clearly relevant to the question of whether or not he had committed those offences.
53The objection advanced for Mr Powell below was that the evidence of what he said involved admissions. It was argued that the officers were acting in an official capacity when they questioned him; and that what he was asked about constituted official questioning, in respect of which he ought to have been cautioned, as s 139 required. The failure to caution Mr Powell was also submitted to have removed his right to silence and his privilege against self incrimination. In the result it was argued that the evidence ought to have been excluded under s 90 of the Evidence Act as evidence of admissions by way of speech or conduct and because they were obtained improperly.
54It was also Mr Powell's case that he had been making representations on behalf of residents, who were disabled and who had objections to the officers exercising some of their functions, rather than obstructing the inspecting officers. Again, this raises a question of fact.
55The Department's case was that the disputed evidence established that the officers were seeking to exercise their s 25 power to inspect; that no caution was required in the circumstances; that Mr Powell was in fact cautioned; that what Mr Powell said did not constitute admissions, but were the acts which constituted the offences charged.
56While the Department's contentions rest in part on factual matters which do not here arise to be determined, Mr Powell's contention that what he said when the officers were seeking to inspect the bedrooms amounted to admissions, may not be accepted.
57 An 'admission' is defined in the Dictionary to the Evidence Act to mean:
"a previous representation that is:
(a) made by a person who is or becomes a party to a proceeding (including a defendant in a criminal proceeding), and
(b) adverse to the person's interest in the outcome of the proceeding."
58A 'representation' is defined to include:
"(a) an express or implied representation (whether oral or in writing), or
(b) a representation to be inferred from conduct, or
(c) a representation not intended by its maker to be communicated to or seen by another person, or
(d) a representation that for any reason is not communicated."
59It follows that the words and acts which constitute a particular offence, or which establishes some fact relevant to establishing the person's guilt of the offence, as opposed to a representation which amounts to a confession that the offence was committed, is not an 'admission' as defined. Section s 90 of the Evidence Act, which gives a discretion to refuse to admit evidence of an admission, does not apply to such words and acts.
60 As James J discussed in DPP v Leonard [2001] NSWSC 797; (2001) 53 NSWLR 227 at [88] - [94]:
"88 On the hearing of this appeal, counsel for the Director of Public Prosecutions relied particularly on the decision of Bryson J in Re A (a Child) (2000) 115 A Crim R 1 (another case concerning s 424A of the Crimes Act). In Re A the plaintiff on the appeal before Bryson J had been convicted in the Children's Court of an offence of robbing a bank. Two bank officers had identified the plaintiff as being the robber from photographs. Their evidence of identification was picture identification evidence within s 115 of the Evidence Act and under s 115(5) the picture identification evidence would not have been admissible, unless the plaintiff had refused to take part in an identification parade. A police officer gave evidence that he had interviewed the plaintiff and that, when the plaintiff had been asked "Do you wish to participate in a line-up?" the plaintiff had said, "No". In reliance on this evidence, the magistrate constituting the Children's Court admitted the picture identification evidence.
89 In Re A it was argued on behalf of the plaintiff, both before the magistrate and on the appeal before Bryson J, that the evidence of the plaintiff refusing to take part in an identification parade was evidence of an "admission". However, Bryson J held that the evidence of the plaintiff's refusal was not evidence of an admission.
90 At paragraph 28 of his judgment Bryson J said:
"The statement "No" in its context does not fall within any meaning of the word "admission" in ordinary usage, or in any usage known to me in evidence law or other law. If "admission" in s 424A is to be understood in the context of s 424A itself, in my opinion the statement was not an admission; it was a direct statement on the subject of the plaintiff's wishes about taking part in an identification parade, and was not in any sense an admission or (to search for illustrative analogies) a narration, a relation or a representation about whether some state of facts existed. Nothing in the definition of "admission" set out in s424A could lead to any qualification of this opinion".
91 At paragraph 29 of his Honour's judgment his Honour said:-
"The word "representation" in ordinary usage is in my understanding capable of several shades of meaning; it can refer to a narration of some fact, case or argument, to an assertion that some state of fact is correct, and it can also refer to the depiction, it may be in words, of something which stands in the place of but is known not to be the original state of fact".
92 Bryson J considered a submission made by counsel for the plaintiff, which was based on s 72 of the Evidence Act, that a statement by a person refusing (or granting) consent to an investigative procedure the police wish to carry out is a representation of the maker's contemporaneous state of mind within s 72. Bryson J rejected this submission. At paragraph 37 his Honour said:-
"This in my view is a highly artificial perception of what a representation is, and of what occurs when a person expresses a consent, a refusal or another state of mind. In my view what takes place is a consent or a refusal; the consent or refusal is an event itself, or it could be called a fact of itself, and it is only in an obscuring indirect way that it could be perceived as a representation about a state of mind, or that it could be supposed that the word "representation" was used in the Dictionary in a sense which included it".
93 I would generally adopt the reasoning of Bryson J. "Representation" is not defined in the Evidence Act, except in the circular way I have referred to. In ordinary usage the word "representation", even if it is not limited to an assertion of fact, nevertheless has an indirect quality; a representation is an assertion, stating, alleging, picturing or portraying of some matter other than itself. See the definitions of "representation" in the Oxford English Dictionary and the Macquarie Dictionary.
94 The uttering of words by a person giving or refusing consent is not a representation about something else, it is a fact or event in itself; it is not a representation that the person is consenting or refusing to consent, it itself constitutes the giving or refusing of consent. In the present case, the defendant, by uttering the words "Go for it. There is nothing in here, mate" and the word "Fine" was not representing that he was consenting to a search of his vehicle; by uttering those words he was actually consenting to a search of his vehicle. I agree with Bryson J that the making of such an utterance should not be characterised as a representation about the maker's then state of mind."
.
61In this case, the offences alleged under s 25(6)(b) of wilfully obstructing or delaying an officer or other person exercising any of his or her powers under subsection (2) may be committed by words, or by acts, or by a combination of both. Such words and acts are not admissions and s 90 does not apply to them.
62It is possible, of course, that by his or her words or acts, a person not only commits an offence under s 25(6), but also says or does something which amounts to an admission that another such offence was committed on an earlier occasion. Given that Mr Powell was charged with a series of offences allegedly committed on separate occasions, that is a theoretical possibility in this case, which depends on the words and acts in question.
63If it is found that particular words and acts involve an admission that an offence was committed on a past occasion, rather than amounting to the commission of an offence under s 25(6)(b), then the provisions of s 90 of the Evidence Act, which gives a discretion to refuse to admit evidence of an admission, if it would be unfair to the defendant to use the evidence, may arise to be considered.
64In that event, questions of voluntariness, reliability and the circumstances in which the admissions were made, will arise to be considered (see The Queen v Swaffield; Pavic v The Queen (1998) 192 CLR 159 at 194). The means by which a confession was elicited, if it was, will then be a relevant consideration, as will considerations of fairness, public policy and the protection of the rights and privileges of an accused. Such considerations will not apply in respect of words and acts which evidence the commission of an offence itself.
65Section 138 of the Evidence Act permits a court to exclude improperly or illegally obtained evidence. Such evidence must not be admitted 'unless the desirability of admitting the evidence outweighs the undesirability of admitting evidence that has been obtained in the way in which the evidence was obtained' (s 138(1)). Section 138(2) is also concerned with admissions made during or in consequence of questioning, but again, this section does not apply to words and acts which themselves constitute the offence. Section 139 is likewise concerned with evidence of statements and acts done during questioning, rather than with words or acts which themselves constitute an offence.
66It follows that some, at least, of the evidence in contention below could not be excluded on the basis that the words and actions in question amounted to an admission. Whether that was the view which his Honour took below, is not entirely clear. It may be that he concluded that none of the evidence as to Mr Powell's words or acts was evidence of any admission and that is why he turned to consider its exclusion under s 137, rather than dealing with it under s 90, s 138 and s 139. In so approaching the issues lying between the parties, he erred, as I have already explained.
67In the result, this ground of appeal must also be upheld.