Edgar Tamayo's supporters pray outside the "Walls" prison unit after the appeal to stay his execution was denied by the U.S. Supreme Court in Huntsville, Texas January 22, 2014. Tamayo, a Mexican ... more 
Edgar Tamayo's supporters pray outside the "Walls" prison unit after the appeal to stay his execution was denied by the U.S. Supreme Court in Huntsville, Texas January 22, 2014. Tamayo, a Mexican national will be executed for the killing of a Houston police officer in 1994 despite objections from the Mexican government, which said implementing the death penalty would violate international treaties. REUTERS/Richard Carson (UNITED STATES - Tags: POLITICS CRIME LAW) less 
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Reuters | Photo By RICHARD CARSON / REUTERS
Wed, Jan 22, 2014 10:47 PM EST