Task: Question Understanding
Input (English): Context : David Randitsheni (born 1964/5, died 2009) was a South African rapist and serial killer who in 2009 was convicted on 10 counts of murder, 17 counts of rape and 18 counts of kidnapping and one count of indecent assault. 
Question : Which crime David Randitsheni is considered to have commited?
Output (English): convicted of