A court in the United Kingdom has found four additional members of an organized crime network guilty of transporting large amounts of cash in suitcases from the U.K. to Dubai. The group laundered over 104 million pounds (US$130.65 million) in just a year.

U.K. law enforcement agencies arrested eight people suspected of acting as cash couriers responsible for laundering more than 50 million British pounds (US$70,29 million) in criminal profits, the National Crime Agency (NCA) reported Tuesday.