<sod >State prosecutor Gerrie Nel accused the athlete of being a "deceitful witness" and claimed he had consistently tailored his version of events, changing his defence three times because his testimony was "weak".< eod>< sod > State prosecutor Gerrie Nel accused the athlete of being a "deceitful and appalling witness" and claimed he had consistently tailored his version of events because his testimony was "weak" and his answers "vague".< eod>