Organised international criminals have been fishing illegally in Indonesian waters for years. Here, just like in the rest of the world’s oceans, one fish in four is caught illegally. If fishing continues at the current rate, the sea will be emptied by 2050. But Indonesia’s Minister of Marine and Fisheries has a novel approach to dealing with these pirates – blowing up and sinking their ships. She has already destroyed more than 200 ships. We join her on patrol.