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Two men have pleaded guilty to killing a teenage boy in Sydney three years ago.
The 15-year-old suffered severe stab wounds at a car repair business in Sydney's west, where he worked as an apprentice.
The teenager, whose father had links to the Lone Wolf outlaw bikie gang, was rushed to hospital but could not be saved.
Darren James McArthur and Darren Stewart Robertson were charged with the boy's murder.
The men admitted their roles in the stabbing on Tuesday, as their trial was due to begin in the NSW Supreme Court.
McArthur pleaded guilty to murder, while Robertson entered a plea of manslaughter, which was accepted by the crown.
The victim's family members cried and held one another as they walked from the courtroom but did not speak to waiting media.
The teenager's killers will be sentenced next month.