In this courtroom illustration Viktor Bout, a Russian arms dealer caught in an undercover sting operation by U.S. agents posing as Colombian guerrillas seeking weapons, sits during sentencing in New York April 5, 2012. Bout, arrested in Bangkok in 2008, was sentenced to 25 years in prison. REUTERS/Jan Rosenberg/Handout (UNITED STATES-Tags: – Tags: CRIME LAW CIVIL UNREST CONFLICT) FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS. THIS IMAGE HAS BEEN SUPPLIED BY A THIRD PARTY. IT IS DISTRIBUTED, EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS