Brett Tantrum


Brett has led for the Crown in numerous significant criminal jury trials, including murder, drug-offending, fraud, sexual offending and perjury.  He is experienced running factually and legally complex jury and judge-alone trials and has had extensive involvement with cases that entail covert surveillance and interception of communications.  Brett routinely consults with and briefs expert witnesses, including scientific, medical and psychological professionals and forensic accounting specialists.

He has appeared as lead counsel for the Crown in more than 200 conviction, sentence and pre-trial appeals in the Court of Appeal, including on Solicitor-General appeals.

In 2006 Brett spent six months practising as an Acting Crown Prosecutor at the Office of the Director of Public Prosecutions in Sydney, Australia, when he participated in a professional exchange programme.  Brett prosecuted a variety of matters as sole counsel including sexual violation and serious violence.

  • Separately prosecuted two defendants for the murder of S.  The first defendant had a jury trial and the second defendant had a five day involvement hearing under the Criminal Procedure (Mentally Impaired Persons) Act 2003 (R v Heremaia and Rafferty).
  • Prosecuted a methamphetamine drug importation case where the defendants concealed the drug inside batteries in golf carts.  The golf carts arrived into New Zealand by sea having been transported from the United States of America (R v Sun).
  • Appeared for the Chief Executive of the Department of Corrections on the application for a public protection order against the respondent under the Public Safety (Public Protection Orders) Act 2014 (Chief Executive of Department of Corrections v Chisnall).

LLB (Hons), University of Auckland

BSc, Massey University