Slain teenager Anene Booysen’s foster mother lost her battle with cancer last week.
Anene Booysen’s biological father was stabbed to death earlier this week.
Johannes Kana received two life sentences for the rape and murder of Anene Booysen.
Pieter Kana says their private investigator found new evidence which will prove Johannes Kana’s innocence.
Johannes Kana’s family says they will continue to support his rape and murder victim Anene Booysen’s family.
The 17-year-old was raped, mutilated and left for dead at a construction site in Bredasdorp.