Joshua Goodman and Alanna Durkin Richer | Associated Press

U.S. prosecutors allege Pulido and his partner created a network of shell companies to funnel bribes in exchange for state contracts in the South American country.

Alex Saab, a close ally of ousted Venezuelan President Nicolás Maduro, is expected to plead guilty Tuesday in a federal case. He is accused of bribing officials to win contracts to import food during widespread hardship in Venezuela. Saab was deported in May by Venezuela's acting President Delcy Rodriguez under U.S. pressure.