Ex-security guard Corey Breen - who slaughtered his father and step-mother inside their North Sydney home in the midst of a violent crime spree - has managed to have just a sliver shaved off his mammoth jail sentence after a desperate bid in the state’s highest court.

Breen was told he would spend the lion’s share of his adult life behind bars after he was in 2015 sentenced for the horrific murders of his father Paul Breen and stepmother Felicia Crawford.

On Good Friday in 2013, Breen used a hunting knife to smash the glass panels of the unlocked front door of his father’s North Sydney home before kicking the door open.

Breen stabbed his father 15 times before brutally murdering his step-mother, who had attempted to hide behind a door.

His crime was made more horrific by the fact there

See Full Page