The case of Umar Farouk Abdulmutallab, who allegedly attempted to ignite an explosive device on Northwest Airlines Flight 253 on Dec. 25, 2009. He was traveling on a multi-year, multiple-entry tourist visa. His father came into the U.S. Embassy in Abuja, Nigeria, on Nov. 19, 2009, to express his concerns about his son. Those officials at the Embassy in Abuja sent a cable to the Nat. Counterterrorism Center. State Dept. officials maintain they had insufficient info. to revoke his visa at that time. Contents of this report: (1) Intro.; (2) Visa Issuances; (3) Basis of Current Visa Policy; (4) Consular Screening Procedures; (5) Visa Revocation; (6) DHS Visa Security Program; (7) Current Issues. Illustrations. This is a print on demand report.