Johannesburg – Gauteng police are investigating the murder and hijacking of the boyfriend of actor Mara Louw's daughter, who was shot and killed outside her house, police said on Tuesday. The incident happened earlier this month outside Mara Louw's house in Soweto, police spokesperson Captain Kay Makhubela said."Mara Louw's daughter was with her boyfriend at the gate. It is understood she went inside the house and two men shot her boyfriend and hijacked him," Makhubela said.The man was taken to hospital where he later died. Cases of murder and hijacking were registered. No arrests have been made.Louw is a former judge of the SA singing talent show Idols.