(c) that the prosecutor unreasonably failed to investigate (or to investigate properly) any relevant matter of which it was aware or ought reasonably to have been aware and which suggested either that the accused person might not be guilty or that, for any other reason, the proceedings should not have been brought
- The defendants repeat their submissions summarised above and submit that the prosecutor unreasonably failed to investigate properly the identity of and knowledge of relevant investigation officers as to when evidence of the offences first came to their attention and that such investigations would have suggested that the proceedings should not have been brought.
- In response, the prosecutor again submits that the proceedings were based upon the advice of senior counsel that the relevant date ran from 2017, when the identity of the defendants became known as a result of investigations commenced by Mr Ferguson. Despite this, the prosecutor accepts that its solicitors, by letter dated 28 June 2018, gave incorrect information in response to a request to identify the relevant investigation officers. However, the prosecutor submits that this had no bearing on the reasonableness of acting upon the advice of senior counsel because that advice was given on the basis that Council knew that the works had progressed beyond that provided for in the Stage One Construction Certificate but that the investigation officer, Mr Mooney, was aware of a second construction certificate and wrongly assumed that this covered the above-ground works and took no action (principal judgment at [26]).
- The prosecutor again submits (and so conceded on the second day of the primary hearing) that later in time, being at least by 22 March 2016, "evidence of an offence" had come to the attention of Mr Dawes, an authorised officer, but he was not aware of the identity of the defendants. Thus, the investigation which the defendants say should have established those facts would not have changed the decision to prosecute because the decision to prosecute was based upon the advice of senior counsel that until the identity of the offenders was known, time did not run. In those circumstances, it was reasonable to rely on senior counsel's advice, particularly because there was no direct authority on the unusually worded limitation provision in s 127(5A) of the EPA Act.
- In response to the defendants' criticism of its investigations, the prosecutor submits that by correspondence on 12 July 2018, the prosecutor's solicitors noted that the defendants did not accept the list of authorised officers previously provided. Accordingly, the prosecutor's solicitors asked the defendants' solicitors to take steps to identify the persons sought by name or designation and that the defendants provided this list on 21 August 2018. Also, on 21 August 2018, the defendants sought to inspect and copy Council's records in relation to the site between 2014 and 31 May 2016. This material was provided on Friday 24 August 2018 (prior to the primary hearing on 27 August 2018) and upon the commencement of the hearing, there was no application by the defendants for any adjournment or additional time to consider the material provided.
- The prosecutor submits that all appropriate disclosures of officers and delegations were made, putting aside the timing of the production of the material. This did not amount to an unreasonable or improper investigation of the proceedings. The prosecutor further submits that the matters on which the defendants succeeded were based upon material properly disclosed by the prosecutor.
- Therefore, while the prosecutor accepts that it provided incorrect information on 28 June 2018 and that this was only corrected on 24 August 2018, such conduct did not have the effect that the defendants contend. That is, even if the prosecutor had been aware at an earlier time that Mr Dawes was an investigation officer, that would not have suggested the proceedings should not be brought given the advice of senior counsel that time did not run until the identity of the offenders was known.
- The prosecutor submits that the only real question which arises on this application for costs is whether, on an objective basis, the advice of senior counsel was reasonably arguable. In circumstances where there was no direct authority on the question, the prosecutor submits that it was reasonably arguable that the critical words in s 127(5A) of the EPA Act required evidence relating to the identity of the offenders as well as evidence that construction work had commenced in the absence of a construction certificate.