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Murdered teenager Louise de Waal was alive when she was set alight.
That's according to the evidence of forensic specialist, Gina Rowe, who testified in the murder trial of the so-called Sunday Rapist in the High Court sitting in Alberton.
Rowe's evidence prompted gasps from De Waal's mother, Shereen.
Thirty-six-year-old Johannes Steyn is accused of murdering school girls De Waal and Lazanne Farmer.
He is also charged with 11 counts of rape, 10 of sexual assault, 10 of kidnapping, one of attempted sexual assault, one of attempted kidnapping and two of assault.
The 11 girls he allegedly attacked between 2008 and 2011 were all between 11 and 18 years old.
Steyn has pleaded not guilty to all 37 charges against him.
