After registering the 15th FIR in the CWG scam, teams of CBI officials reached 21 locations in Delhi, Mumbai and NCR region to carry out search operations. This is the first case registered by the agency after a Special Investigation Team was constituted last month to study the Comptroller and Auditor General’s report on the Games and to see whether any fresh case could be registered. AIR correspondent reports, the SIT, headed by a Joint Director, collaborates with other investigating agencies like the Income Tax and Enforcement Directorate.