A 47-year-old police officer allegedly opened fire at a family gathering in Hennenman on Sunday 7 June, killing three people before turning the gun on himself.
Tumelo Mothupi was sentenced 24 years in prison for murdering his former girlfriend.
Labour lawyer Chinette Gallichan, was shot at point-blank range as she walked to the CCMA offices on 23 March.
Tiffany Meek (31), the mother of 11-year-old Jayden-Lee Meek who was found murdered in Johannesburg in May, appeared in court on Monday following her arrest last week.
The crowdfunding campaign set up to support the family of murdered Paige Bell had raised over $50,000 (about R892 000) by Friday morning.