Background
5 The following background to the search warrant challenge brought by the ABC is drawn from the primary judge's reasons and from evidence that was before her Honour and relied upon in this application for leave to appeal.
6 On 11 July 2017, the ABC published on its website a number of articles by two journalists, Mr Daniel Oakes and Mr Sam Clark, concerning the conduct of Australian soldiers in Afghanistan under the title "The Afghan Files" (Afghan Files publications). The information published apparently included the contents of security classified documents which are alleged to be the product of a leak from the Department of Defence. This leak apparently came from Mr David William McBride, a former member of the Defence Force. I qualify these observations as being no more than "apparently" because there is no established fact before me that either is necessarily so, and it is not presently necessary to reach any concluded view about those issues in any event.
7 On 19 July 2017, the AFP commenced an investigation in connection with the Afghan Files publications. On 5 September 2018, Mr McBride was charged with theft of Commonwealth property contrary to s 131.1(1) of the Criminal Code (Cth). He pleaded not guilty to that charge on 30 October 2018.
8 On 13 September 2018, the AFP wrote to Mr Oakes and Mr Clark, advising them that they were suspects in relation to receiving prescribed information contrary to s 79(6) of the Crimes Act 1914 (Cth) and in relation to unlawfully obtaining military information contrary to s 73A(2) of the Defence Act 1903 (Cth).
9 On 7 March 2019, Mr McBride was further charged with unlawfully giving military information other than in the course of official duty, contrary to s 73A(1) of the Defence Act, and unlawfully disclosing a Commonwealth document, contrary to s 70(1) of the Crimes Act. On the same day, an article was published by the Canberra Times newspaper about the prosecution of Mr McBride which referred to him admitting to handing over documents to journalists, but defending what he had done on legal grounds. As a general proposition, the rules of evidence would not permit media reporting of an asserted fact to constitute admissible evidence of that fact, let alone be a satisfactory means of determining the metes or bounds of any such admission or its capacity to prove any element of a criminal charge.
10 On 1 April 2019, the AFP wrote to Mr Oakes and Mr Clark seeking their consent to a forensic procedure by way of copying finger prints and palm prints. This was stated to be for the purpose of comparison with forensic material that had been recovered from other, unspecified, documents.
11 On 30 May 2019, Mr McBride pleaded not guilty to the additional offences laid on 7 March 2019, maintained his plea of not guilty to the earlier charge, and was committed to stand trial in the Supreme Court of the Australian Capital Territory on all charges. I was informed by senior counsel for the respondents that those charges will next be before that Court on 11 November 2019 and again on 9 December 2019 for pre-trial directions, and have no reason to doubt that is so. I readily infer that Mr McBride's trial is presently likely to take place sometime in 2020, as indicated in the affidavit evidence for the respondents that was before the primary judge.
12 On 31 May 2019, a further article was published by the Canberra Times newspaper about the prosecution of Mr McBride which again referred to him admitting to handing over documents to journalists, but defending what he had done on legal grounds. Again, that would not ordinarily be admissible evidence of the facts as reported.
13 On 3 June 2019, the search warrant was issued to Mr Brumby. The search warrant was in the three-condition format approved by a five-member bench of the Full Court in Dunesky v Elder [1994] FCA 1020; 54 FCR 540, by which the necessary threshold of the dual suspicions referred to in s 3E(1) of the Crimes Act, as to the presence of evidence at the premises sought to be searched having the capacity to prove the commission of an offence, are sought to be established by referring to:
(1) things proposed to be searched for;
(2) persons, entities or topics that those things relate to; and
(3) offences that such things will afford evidence of.
14 The offences under investigation were described in the third condition as follows:
Between 14 April 2016 and 1 October 2016, David William McBride gave Daniel Michael Oakes military information, contrary to section 73A(1) of the Defence Act 1903 (Cth).
Between 14 April 2016 and 1 October 2016, Daniel Michael Oakes unlawfully obtained military information, contrary to section 73A(2) of the Defence Act 1903 (Cth).
Between 1 March 2013 and 20 December 2014, David William McBride stole property belonging to the Commonwealth, contrary to section 131.1(1) of the Criminal Code Act 1995 (Cth).
About Between [sic] 14 April 2016 and 1 October 2016, Daniel Michael Oakes dishonestly received stolen property from David William McBride, knowing or believing that the property was stolen, contrary to section 132.1 of the Criminal Code Act 1995 (Cth).
About 1 May 2016, David William McBride unlawfully disclosed a fact or document which came into his knowledge by virtue of him being a Commonwealth officer, contrary to section 70(1) of the Crimes Act 1914 (Cth).
15 The references above to sections of the Criminal Code Act 1995 (Cth) should instead be references to sections of the Criminal Code, which is contained in a Schedule to the Criminal Code Act and has effect as a law of the Commonwealth per s 3(1) of that Act.
16 On 5 June 2019, the search warrant was executed by the AFP at the ABC's premises in Ultimo by prior arrangement and documents in both paper and electronic form seized. That material has not been accessed by the AFP by reason of an interim undertaking given not to do so pending the outcome of the substantive search warrant challenge.
17 On the afternoon of 6 June 2019, soon after 2.00 pm, the then Acting Commissioner of the AFP participated in a half-hour media conference, with a transcript of what was said being in evidence before the primary judge, marked with counter numbers presumably taken from the sound recording equipment. The ABC contends that the issues raised by the search warrant challenge are coloured by what was said by the Acting Commissioner, as detailed further below. The respondents criticised the ABC's characterisation of what was said as being selective and taken out of context, a stance that the primary judge agreed with.
18 On 13 June 2019, an article was published online about the criminal proceedings against Mr McBride in June by news publisher The Guardian.
19 On 24 June 2019, the ABC filed an originating application for relief under s 39B of the Judiciary Act 1903 (Cth) and s 5 of the Administrative Decisions (Judicial Review) Act 1977 (Cth), commencing the search warrant challenge proceeding to which this application for leave to appeal relates. That application seeks:
(1) declarations that the search warrant is invalid, that the search pursuant to that warrant was unlawful, and that Mr Brumby and other AFP federal agents are not entitled to examine the material seized;
(2) an order that the material seized be returned; and
(3) an injunction in effect restraining anyone at the AFP from dealing with the material seized in any way (with parallel interlocutory relief not being necessary by reason of the interim undertaking given).
20 After a narrative of events, the originating application lists, at [19] to [24], seven grounds of review challenging various aspects of the validity of the warrant on its face, the decision to issue the warrant based on asserted defects on its face, and the decisions to apply for and execute the warrant. Importantly, contrary to the applicant's argument before the primary judge, no ground was advanced as to the issue of the warrant based on any insufficiency of the material before Mr Kane, nor as to any issue to do with the matters required to be taken into account by him under s 3E(1) of the Crimes Act (being the provision governing the decision to issue a search warrant).
21 On 15 July 2019, the ABC served a notice to produce, seeking the production of a copy of the search warrant application. On 22 July 2019, the Commissioner filed an interlocutory application to set aside the notice to produce, serving it on the ABC the next day. After an exchange of submissions, that application was heard by the primary judge on 2 August 2019, with her Honour reserving the decision.
22 On 9 August 2019, before judgment could be delivered on the respondents' application to set aside the notice to produce, the ABC filed a further interlocutory application, with accompanying submissions, seeking leave to amend its originating application in a form that was not ultimately opposed (initial proposed amended originating application); and seeking an order for discovery. The discovery sought was the search warrant application, any document recording the decision to apply for the search warrant and any document recording or evidencing consideration by the respondents, in connection with the decision to apply for the search warrant, of what may be described for present purposes as the implied freedom of political communication under the Constitution, the protection of journalists' sources, the public interest in investigative journalism and, somewhat cryptically, "the subjects to which the evidentiary materials sought under the warrant related", which may be a reference to the second condition in the search warrant.
23 The hearing of the ABC's interlocutory application was fixed for hearing on Monday, 19 August 2019. On Wednesday, 14 August 2019, the respondents filed submissions by which consent was advised as to the amendments sought in the initial proposed amended originating application, but opposing discovery upon the basis that the documents sought were not relevant to the issues raised by the ABC's originating application, even with the amendments consented to. In particular, the respondents' submissions noted that no ground of review was advanced that the search permitted by the search warrant exceeded what was justified by the material before Mr Kane, and no ground had been raised based on a failure to take into account purported mandatory considerations.
24 Late on the afternoon of Friday, 16 August 2019, without prior notice to the respondents or the leave of the primary judge, the ABC served reply submissions with a further proposed amended originating application which, if allowed, would have added the following additional proposed paragraphs:
[20A] The search permitted by the search warrant exceeded what was justified by the material before Kane.
[23A] Kane's decision to issue the search warrant was affected by jurisdictional error, in that Kane failed to take into account the following relevant considerations:
a. the very significant intrusion of privacy that the search warrant purported to authorise;
b. the importance of the protection of sources, including for the reasons set out in [2] above;
c. section 126K of the Evidence Act 1995 (Cth);
d. the public interest in investigative journalism, including for the reasons set out in [3] above;
e. the implied Constitutional freedom for the reasonable discussion of government and political matters which arises under sections 7, 24 and 128 of the Constitution; and
f. the public interest in reporting on matters such as the content of the Afghan Files reports referred to in [15] above and the Subjects referred to in [16] above.
[24A] Brumby's and the Commissioner's decisions to seek the search warrant were affected by jurisdictional error, in that Brumby and the Commissioner failed to take into account the following relevant considerations:
a. the very significant intrusion of privacy that the search warrant purported to authorise;
b. the importance of the protection of sources, including for the reasons set out in [2] above;
c. section 126K of the Evidence Act 1995 (Cth);
d. the public interest in investigative journalism, including for the reasons set out in [3] above;
e. the implied Constitutional freedom for the reasonable discussion of government and political matters which arises under sections 7, 24 and 128 of the Constitution; and
f. the public interest in reporting on matters such as the content of the Afghan Files reports referred to in [15] above and the Subjects referred to in [16] above.
25 By further submissions in response, dated 18 August 2019, the Sunday before the 19 August 2019 hearing, the respondents characterised the further proposed amendments as "an eleventh-hour attempt to reverse-engineer an application that would entitle the [ABC] to the documents it wants", rather than being, as the ABC contended in its reply submissions, merely to clarify the existing pleading or otherwise being of a formal nature. The respondents submitted that her Honour should readily draw the inference that the further proposed amendments were "being advanced solely for the impermissible purpose of bolstering the [ABC]'s discovery application". The respondents also submitted that the primary judge should not regard the application to amend so as to incorporate the further proposed amendments as being genuine when, quoting from Mulley v Manifold (1959) 103 CLR 341 at 349, it was "really directed to meeting the difficulty of obtaining discovery of documents that the plaintiff may wish to see but which are not material to the case".