Mumbai, April 1 -- The CBI has uncovered the use of foreign SIM cards and the involvement of multiple hawala operators in an alleged bribery case against a Delhi police sub-inspector. The accused officer, Rahul Malik, was booked for demanding and receiving a bribe of Rs.2.5 lakh from a Navi Mumbai-based businessman as part-payment of a larger sum, in exchange for not arresting him or his relative in an ongoing cyber fraud case....