50-year-old Edward Thomas Morton pleaded guilty to robbery, murder, residential burglary and possession of an unlicensed firearm, related to the 2010 murder of Edenvale businessman Mr Louis Deneeghere.
He pleaded this afternoon in the Vereeniging Regional Court.
In addition, he also pleaded guilty to his role in the murder of Boksburg father-of-three, Mr Wayne Alberts, on Valentine’s Day this year.
His co-accused, Dorinda Ann Barnard, pleaded not guilty to charges against her relating to the Alberts case.
He was convicted on a total of nine charges, including two for murder and two for robbery with aggravating circumstances.
Sentencing was postponed to September 10.
Barnard will be tried separately and is due to appear in court again on November 4.