Carlos Andres Escobí and Astrid del Pilar Gómez, were American citizens. Muñoz Mosquera was charged with "conspiracy to import and distribute cocaine, substantive importation of cocaine, participating and conspiring to participate in a racketeering enterprise, engaging in a continuing criminal enterprise, various offenses relating to the bombing of a civilian airliner and the extraterritorial murder of two citizens of the United States". His first trial in 1994 lasted two months but was declared a mistrial after the jury were unable to reach a verdict. In his second trial, in the same year, he was convicted on all thirteen counts and sentenced to 10 life sentences plus 45 years, all to be served consecutively. He became the first person ever to be convicted under a 1956 Federal law that made bombing a civilian aircraft a crime and the 1986 terrorism statute that allows the trial of foreign citizens in the United States if at least one victim was an American citizen. Before sentencing, Judge Sterling Johnson Jr. commented "Not only are you an evil man, but the things you did, you enjoyed doing." Johnson also stated his belief that Muñoz Mosquera was fortunate that the prosecution had not sought the death penalty as "these acts cry out for the death penalty." Following his conviction, he became one of the first inmates housed at ADX Florence, a supermax prison in Colorado. He is currently incarcerated at United States Penitentiary, Lee, in Virginia. While Muñoz Mosquera was convicted of the Avianca bombing, his involvement in the bombing was questioned by Colombian Attorney General Gustavo de Greiff, who sent a letter to Judge Sterling Johnson before the final trial, stating: De Greiff was accused by United States officials of being involved financially in the cocaine trade. The Colombian government initially suspected Gonzalo Rodríguez Gacha a.k.a. "The Mexican". Carlos Mario Alzate had also been blamed for the bombing and had confessed to the crime before Muñoz Mosquera was put on trial. Many witnesses testified in court about Muñoz Mosquera's brutal acts as a high-ranking member of the Medellín cartel. Many of those witnesses were convicted felons with links to the Medellín and Cali Cartels. Muñoz Mosquera claims that he did not recognize the prosecution's witnesses, and his defense hinged on the insistence that he was a small-time thief and not even a sicario (contract killer), let alone Escobar's chief assassin. He did not deny that