The FBI said video surveillancetape from a gas station where the suspects forced the carjacking victim to withdraw cash from an automatic teller machine shows two men who look like the accused brothers.
Raj was convicted last year of receiving insider information from various sources, some of whom were caught on FBI surveillance(tape) speaking directly with him about the confidential information.
It quoted Afrika Khumalo, the crime intelligence chief commissioner in the country's Gauteng province, as saying that surveillance cameras, visual and tape recordings and undercover policemen were used to track down the suspects.