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NSW DPP to appeal cop killer's sentence

AAP logoAAP 6/01/2017

The slashed prison sentence handed to Sydney cop killer Mitchell Barbieri will be appealed in the High Court.

The family of murdered policeman Bryson Anderson said they'd been "kicked in the guts" by a majority decision of the NSW Court of Criminal Appeal last month to slash the jail term of his young, mentally ill killer by 11 years.

The Baird government urged the NSW Director of Public Prosecutions to continue fighting the case, after Barbieri's 26-year minimum sentence was reduced to 15 for the stabbing murder in December 2012.

The DPP has now filed with the High Court of Australia to appeal the reduced sentence.

Acting NSW Police Commissioner David Hudson on Friday welcomed the move.

"It is a positive development for the Anderson family and the force in general," Mr Hudson said.

So too did NSW Attorney-General Gabrielle Upton.

"I have spoken to Warwick Anderson, brother of murdered Inspector Bryson Anderson, and I am glad the Anderson family have been updated regularly on the case by the DPP," Ms Upton said.

"Decisions like this are not taken lightly and now it is up to the High Court to consider this important matter."

Barbieri, then 19, was sharing mental delusions with his mother when he stabbed Detective Inspector Anderson twice in the chest with a hunting knife during a siege at the pair's rural Sydney property.

Fiona Barbieri was jailed for at least six-and-a-half years for manslaughter.

Police seized a large volume of material from their squalid, isolated home, among them letters to leaders around the world, including the Russian president.

They revealed "a complex delusional belief system alleging corruption, persecution and perceived grievances of a wide-ranging nature", according to a psychiatrist.

Speaking outside court after Barbieri's prison term was slashed, Warwick Anderson said the family wasn't satisfied, but had understood the original sentence for the "spineless and cowardly act".

"We came here today and were - to use my father's words - kicked in the guts by the decision that came down today," he said at the time.

"How any informed member of the community could possibly think a sentence of 15 years for someone who stabs to death a policeman who turns up to help other people is what the community expects is absolutely beyond belief."

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