A bleak picture has emerged from a report published Friday by the EU crime agency. Europol has identified 821 particularly threatening criminal networks with more than 25,000 members across the bloc. According to the agency, 86% of those networks can infiltrate the legal economy to hide their activities and launder their criminal profits. Europol cited the example of a gang leader identified as an Italian businessman of Argentinian origin residing in Marbella, Spain. The individual specialises in drug trafficking and money laundering and manages several companies, including one that imports ba…