For the first time we close in on the bombers and confirm how dangerous and renegade are their personalities. We see why the bombing investigation has battled for every slim lead. Even the criminal underworld is afraid of them. But, under increasing pressure from the police, they are beginning to make their first real mistakes.

The final curtain. The investigation team know they are dealing with mad dogs who are unlikely to come in quietly. The raid, then the interrogations have to come off with lightning precision as they race against time to charge the bombers.