Ipswich mayor Teresa Harding has led calls for the new legislation that pushes for harsher sentences and bail conditions to be reviewed for serious repeat youth offenders after Vyleen White's death.
"If you're going to do an adult crime, you need to do the adult time," she said.
A 16-year-old boy has been charged with murder after Ms White was stabbed outside Redbank Plains shopping centre west of Brisbane in a suspected carjacking earlier this month.
The Ipswich Council has written to Attorney-General Yvette D'Ath to request the implementation of youth justice legislation changes, to be named "Vyleen's Law".
Ms Harding said she had never seen a crime such as Ms White's fatal stabbing in Ipswich.
"It is beyond belief that a grandmother in broad daylight gets ... killed in a suburban shopping centre," she said.
She said Ipswich residents were becoming more scared by crime in the area, especially after Ms White's death.
"This has really rocked us," she said.
Ms Harding wants more measures to be implemented by the government including crime reduction initiatives, education investment and a Police Beat presence inside the Redbank Plains shopping district.
Queensland Premier Steven Miles travelled to Ipswich on Monday to meet with cabinet, with youth crime no doubt high on the agenda.
Mr Miles was unaware of calls for "Vyleen's Law" on Monday but said his government was committed to working with police to rebuild a sense of community safety.
Independent candidate in the upcoming Ipswich City Council election, Josh Addison, said he had joined forces with the White family and Ipswich councillor Sheila Ireland to push for "Vyleen's Law".
"Our first priority is to ensure that Vyleen is remembered not merely as a headline but for her profound impact on our community," Mr Addison said.
She said there was the potential to create a lasting legacy with "Vyleen's Law".
Mr Miles said he had kept in close contact with the Ipswich mayor and Mr Addison while the government offered all the support they could to the White family.
"We have acted quickly on the advice of the police commissioner to consider expanding (knife) wanding to shopping centres to ensure there are less knives in shopping centres," he said.
The state government introduced legislation in 2023 to allow police to use personal metal detectors or "wands" to search people in Safe Night Precincts as well as on public transport.
Mr Miles said the government was also looking at expanding electronic ankle monitoring and access to youth courts for victims and the media.
The Queensland government introduced laws to ban the sale of knives and replica firearms to juveniles last week.
It also committed $6 million towards knife prevention and education campaigns.
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