[allAfrica]. Matlala Says He Didn't Know Impalas Were for SibiyaAlleged crime kingpin Vusimuzi "Cat" Matlala has told the Madlanga Commission that he was unaware 20 impalas he agreed to give away were destined. By Johnathan Paoli Vusimusi “Cat” Matlala has disputed parts of his account of how 20 impalas were delivered to former deputy national police commissioner Lieutenant-General Shadrack Sibiya,.