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The lawyer for convicted killer Antonie Dixon says he will be seeking a third trial.
Dixon was convicted in 2005 of murder, grievous bodily harm, firearm charges, shooting at police, and kidnapping after a night of violence in January 2003.
He attacked two women, Simonne Butler and Renee Gunbie, with a samurai sword, severing or partly severing their hands in the small settlement of Pipiroa near Thames.
He then drove to Auckland where he shot dead James Te Aute.
The Court of Appeal later quashed the conviction, ruling the summing up by Justice Judith Potter contained major errors of law.
In August this year, after a second trial by a jury in the High Court in Auckland, Dixon was again found guilty on the eight charges he faced .
He was remanded in custody for sentencing early in the new year.
But his lawyer Barry Hart confirmed today that Dixon would be appealing his conviction and seeking a third trial following his sentencing.
He refused to discuss the grounds for the appeal but the Sunday News reported today it related to a member of the jury using the internet during his retrial.
During his retrial, crown solicitor Simon Moore told Justice Hugh Williams there was an allegation a juror or jurors had conducted their own investigations on the internet.
However, the judge allowed the trial to continue.
Dixon has been in prison since he was charged and convicted for the first time in 2005.
He was sentenced to life in prison with a minimum non-parole period of 20 years.
Dixon's case has cost taxpayers close to $1 million, but Mr Hart denied the appeal was a waste of taxpayers money.
- NZPA