Police say a note hidden in a bike 's handlebar listed extorted businesses . The crime network is based in Casal di Principe , a village near Naples , police say . Arrests stemmed from investigation that began in October 2012 .
Police say a note hidden in a bike 's handlebar listed extorted businesses . The crime network is based in Casal di Principe , a village near Naples , police say . Arrests stemmed from investigation that began in 2012 .