In November 1963, Marcello was tried for "conspiracy to defraud the United States government by obtaining a false Guatemalan birth certificate" and "conspiracy to obstruct the United States government in the exercise of its right to deport Carlos Marcello". He was acquitted later that month on both charges.
In November 1963, Marcello was brought to trial for "conspiring to deceive the United States government by obtaining a false Guatemalan birth certificate" and "plotting to hinder U.S. government efforts in deporting Carlos Marcello". He was acquitted on both charges later that month.