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LOS ANGELES, CA - MAY 02:  Los Angeles Airport Police patrol the Tom Bradley terminal at Los Angeles International Aiport on May 2, 2011 in Los Angeles, California. Security presence has been escalated at airports, train stations and public places after the killing of Osama Bin Laden by the United States in Abbottabad, Pakistan.  (Photo by Kevork Djansezian/Getty Images) Kevork Djansezian / Getty Images