The operation was launched after intelligence agencies flagged a suspected financial fraud network using multiple mule bank accounts. In a major crackdown on an organised financial fraud syndicate allegedly operating through mule bank accounts and suspected to have links with Pakistan Intelligence Operatives (PIOs), the Special Task Force (STF), Assam, has arrested six persons from different parts of Guwahati following intelligence inputs received from central agencies, including Military Intelligence (MI), Gajraj, Tezpur.