“5 (1)The purpose of an investigation under this Part into a person's death is to ascertain— . (a) who the deceased was; . (b) how, when and where the deceased came by his or her death; . (c) the particulars (if any) required by the 1953 Act to be registered concerning the death. . (2) Where necessary in order to avoid a breach of any Convention rights (within the meaning of theHuman Rights Act 1998 ), the purpose mentioned in subsection (1)(b) is to be read as including the purpose of ascertaining in what circumstances the deceased came by his or her death. …”
“(1) This section applies where, on an application by or under the authority of the Attorney-General, the High Court is satisfied as respects a coroner either – (a) … (b) where an inquest or an investigation has been held by him, that (whether by reason of fraud, rejection of evidence, irregularity of proceedings, insufficiency of inquiry, the discovery of new facts or evidence or otherwise) it is necessary or desirable in the interests of justice that an investigation (or as the case may be, another investigation) should be held. (2) The High Court may – (a) order an investigation under Part 1 of theCoroners and Justice Act 2009 to be held into the death, either (i) by the coroner concerned, or (ii) by a senior coroner, area coroner or assistant coroner in the same coroner area, (b) order the coroner concerned to pay such costs incidental to the application as to the court may appear just, and (c) where an inquest has been held, quash any inquisition on, or determination or finding made at that inquest.”