Cameron, 14, was raped, murdered and her body dumped in bushes near the Ocean View Police Station on 2 July.
The teen’s body was found by her 11-year-old brother after a search by residents.
Her cousin, 19-year-old Yagyah Robyn, was arrested after he turned himself in.
Robyn appeared in court last week and is currently in police custody. He will appear in court again on 8 August.
Hundreds of residents formed a human chain alongside Kommetjie Road on Saturday.
The day before, a memorial service was held in Camron’s honour, reports the Cape Argus.
About 33 children have been found murdered since the beginning of 2017, said Lorraine Botha, chairperson of the Standing Committee on Community Development in the provincial legislature.
Councillor Patricia Francke, who was part of the human chain, said the aim was to “peacefully show unity to the families of those killed in violence. Even though there is pain and sorrow, we cannot be divided and must stand united as a community.
“I understand the fears, but we need to work closer to the community in order to get results and to make the area safer,” she said.
Ocean View resident Rowina Solomons said the human chain was a symbolic event calling for a reaction.
“The whole neighbourhood is frustrated and some have the feeling that they are not receiving enough protection from [the authorities] – neither police, nor political institutions,” Solomons explains.