Evidence – Criminal trial – Mixed statements – Where appellant interviewed by police prior to being charged – Where appellant made inculpatory and exculpatory statements during interview ("mixed statements") – Where recorded interview relevant and admissible – Where recorded interview not tendered by prosecution at trial – Whether prosecution's obligation to put case fully and fairly requires tender of records of interview containing mixed statements.

Words and phrases – "admissibility of mixed statements", "admissions", "all available, cogent and admissible evidence", "duty of fairness", "ethical practice", "fair trial", "fully and fairly", "inculpatory and exculpatory statements", "miscarriage of justice", "mixed record of interview", "mixed statement", "obligation to tender", "prosecutorial discretion", "prosecutorial duty", "record of interview", "rule of practice", "speculation by the jury", "tactical decision".

Evidence (National Uniform Legislation) Act 2011 (NT) – ss 59(1), 81, 190.

Tort – Battery – Statutory authorisation – Where CS gas (form of tear gas) used by prison officer in youth detention centre – Where prison officer called to assist at youth detention centre – Where detainees exposed to CS gas claimed damages for battery – Where device used to deploy CS gas prohibited weapon under Weapons Control Act (NT) – Whether deployment of CS gas by prison officer in youth detention centre lawful – Whether prison officer acting in course of duties as prison officer such that exemption for prescribed persons in s 12(2) of Weapons Control Act applied – Whether authorised by delegation of powers of superintendent of youth detention centre under s 157(2) of Youth Justice Act (NT) – Whether authorised by prison officer having powers of police officer under s 9 of Prisons (Correctional Services) Act (NT).

Words and phrases – "acting in the course of his or her duties", "battery", "bodily integrity", "breach of the peace", "bystander", "collateral damage", "detainees", "emergency situation", "ensure the safe custody and protection", "maintain discipline", "maintain order", "necessary or convenient", "police officer", "positive authority", "prescribed person", "prison officer", "prisoner", "prohibited weapon", "superintendent", "tortious liability", "use of force that is reasonably necessary", "youth detention centre".

Prisons (Correctional Services) Act (NT) – ss 9, 62(2).

Weapons Control Act (NT) – ss 6, 12.

Youth Justice Act (NT) – ss 151(3), 152(1), 153, 154, 157(2), 159, 160.

Criminal practice – Appeal – Crown appeal against sentence – Where appellant sentenced on pleas of guilty to six offences arising out of course of commercial dealing in cannabis plant material and MDMA – Where prosecution appealed against sentence on ground of manifest inadequacy – Where three-member Bench of Court of Criminal Appeal ("CCA") heard appeal and announced intention to allow appeal but referred relevant question of statutory construction to five-member Bench – Where eleven months after initial hearing, CCA delivered judgment of five-member Bench, then immediately re-constituted to deliver judgment of three-member Bench, allowing appeal and re-sentencing to increased term of imprisonment – Where appellant not given opportunity to place material before CCA as to progress in custody, nor make submissions on re-sentence or dismissal of appeal in exercise of "residual discretion" – Whether CCA failed to accord appellant procedural fairness in conduct of hearing of appeal against sentence – Whether CCA erred in determining to allow appeal against sentence when all circumstances relevant to exercise of "residual discretion" not yet known – Whether matter should be remitted to CCA for re-sentencing of appellant.

Words and phrases – "aggregate sentence", "Crown appeal against sentence", "delay in the appeal process", "discretionary factors against allowing the Crown appeal", "imminence of the offender's release", "manifestly inadequate", "procedural fairness", "proper exercise of discretion", "re-sentencing exercise", "residual discretion".

Criminal Code (NT) – s 414(1)(c).

Criminal law – Parties to offences – Where group of eight males assaulted victim – Where group included appellants and a youth aged 11 years ("PM") – Where one member of group stabbed victim causing death – Where appellants charged with murder under Criminal Code (WA) – Where Crown alleged seven males who did not stab victim deemed to have taken part in committing offence under s 7(b), s 7(c) or s 8 of Criminal Code – Where ss 7(b), 7(c) and 8 of Criminal Code operated when "an offence is committed" – Where reasonably possible that PM inflicted fatal stab wound – Where PM could not be criminally responsible for acts unless he had capacity to know he ought not to do act under s 29 of Criminal Code – Where prosecution adduced no evidence to establish capacity – Where trial judge declined to direct jury that they could not convict appellants of murder unless satisfied beyond reasonable doubt PM did not cause death – Where appellants convicted of murder – Whether trial judge erred in declining to direct jury that they could not convict appellants of murder unless satisfied that PM did not cause death – Whether "offence" committed for purposes of ss 7(b), 7(c) and 8 where failure to prove criminal responsibility of person who may have done act constituting offence.

Words and phrases – "accessorial criminal liability", "an offence is committed", "authorised or justified or excused by law", "commission of an offence", "common law antecedents", "construction of the Code", "criminally responsible", "enabler or aider", "excuse", "justification", "liable to punishment", "offence", "participants in the offence", "parties to the offence", "party to an unlawful common purpose", "principal offender", "unlawful killing".

Criminal Code (WA) – Chs V, XXVI; ss 1, 2, 7, 8, 29, 36, 268, 277, 279.