Erin Patterson has been sentenced to life in prison, with a non-parole period of 33 years for the murders of Gail and Don Patterson, Heather Wilkinson, and the attempted murder of Ian Wilkinson.

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Patterson leaves court

Erin Patterson was emotionless as she was escorted into the back of a police van following her sentencing at the Supreme Court on Monday.

She will return to Dame Phyllis Frost Centre to serve her life sentence.