Since the Umar Farouk Abdulmutallab failed underwear bomb attack on North West Delta Airline in Detroit on December 25, 2009, the United States has adopted stringent measures to on its visa issuance procedures and policy, thereby making it a matter of providence to gain access to the document.
Notable among tough measures were the introduction of the Consular Lookout and Support System, CLASS, and the State Department controlled Terrorist Identities Datamart Environment, TIDE, and other technology assisted method of cross checking the background identities and profile of the prospective visa applicants to determine if there are incriminating information about such applicants.
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