The parents of a teenage boy who was stabbed to death more than two years ago north of Brisbane say it is "bittersweet" that their child's teen killers have been found guilty.
Two boys, aged 16 and 17, were on trial in the Supreme Court in Brisbane for the murder of Angus Beaumont in March 2020.
The 15-year-old was stabbed in the chest with a 14-centimetre knife which pierced his heart during an altercation between two groups of teens on a Redcliffe street.
The teens, who cannot be named due to youth justice laws, pleaded not guilty earlier this month.
After hearing more than a week of evidence, it took a jury less than a day to return unanimous guilty verdicts on Thursday.
When the decisions were read out to the teens who were sitting in the dock they did not react, but their supporters who packed the gallery did.
One woman said to one of the boys: "You're innocent, I know you are son,"
Another woman called out "it's a kangaroo court".
Angus's father Ben Beaumont yelled "rot in hell" to the two teens, while other family members cried and hugged each other outside court.
'I feel like it wasn't just a win for us'
The court had previously heard Angus Beaumont had been attacked when he was trying to help his friend, who was being robbed by the two boys.
It heard they had bought drugs from his friend earlier at a skate park but followed them to a nearby street.
Angus Beaumont, who was also armed with a knife and knuckle dusters, became involved in a fight with the pair before he was stabbed, the court heard.
Outside court Angus's mother Michelle Liddle said she was feeling emotional about the outcome.
"It's bittersweet — it doesn't bring our son back," she said.
"I feel like it wasn't just a win for us, it's a win for other victims of juvenile crime."
Ms Liddle, who sat through the trial, said she wanted to see legislative reform for youth offenders.
"We want to see laws change."
Push for change to youth offender laws
Mr Beaumont said there was no justification for their crime.
"No matter what the lead up was, they robbed and killed my son," he said.
Mr Beaumont said sentencing and youth justice laws, particularly around identification, needed to change so other youth offenders were deterred.
"Concurrent sentencing does not work — anonymity does not work," he said.
"We've had enough."
The pair will be sentenced at a later date.
