The family of slain paramedic Steven Tougher has called for legislation changes to protect emergency service workers as they visited the Sydney McDonald's where his life was taken.
Steven Tougher, 29, was allegedly stabbed to death while on a break near the end of his shift with his colleagues in Campbelltown around 5.30am last Friday.
Members of the public have created a flower wall to pay respect to Tougher and offer support to the family.
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"This can't be allowed to be forgotten as just another incident," Tougher's father Jeff said at the scene on Wednesday.
"Nobody deserves the grief that this has brought forward."
The father is demanding mandatory life sentences for any killers of emergency service workers on the job and mandatory prison terms for anyone who assaults one.
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"I propose the changes be called Steven's Law," he said.
Tougher's pregnant wife Madison, who he married five weeks ago, and his sister also visited the flower wall to mourn his death, which was described as one of the "darkest days" for the NSW Ambulance service.
Jordan Fineanganofo, 21, from Raby, was charged with murder and will remain behind bars until his case returns to court in June.
Earlier, Tougher's wife, parents and sister issued a statement on behalf of the entire family, saying the young paramedic's compassion was "exceptional".
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