MUMBAI: Was the controversial preacher a part of the hawala racket being masterminded from Karachi? Security agencies monitoring Karachi-based businessmen close to D-Company and a `terror outfit masquerading as charitable and social organisation’ for funding Mumbai-based IRF. Three days after controversial preacher Zakir Naik’s chief financial officer Aamir Gazdar was arrested by the Enforcement Directorate for alleged money laundering, the trail has led the sleuths to Pakistan and the D-Company.