When the Scorpions uncovered a corruption scandal involving the Deputy President, Parliament realised that the "sting was in their own tail." MPs are now keen to unearth blemishes on the Scorpions' 93% conviction rate. A turf war is also brewing as the police feel undermined by the Scorpions. Extra legal powers allow them to investigate and prosecute their arrests. It seems that success is bittersweet as criticism of their tactics keeps on growing.

Produced by SABC Special Assignment.