Three masked men jump out of a white van while a fourth, disguised as a delivery driver, approaches a house carrying a parcel. Seconds later, they burst inside before making off with £1million of cocaine.

But the robbers hadn't targeted any ordinary gang - the drugs belonged to the Huyton Firm, which since its founding in the late 1990s had risen to become one of Merseyside's most feared and powerful criminal outfits.