A Venezuelan businessman who helped hide almost $17 million in bribe payments by an ally of President Nicolas Maduro was sentenced to six months in prison Friday by a federal judge who expressed frustration that his cooperation with law enforcement was undone by President Joe Biden’s recent pardon o

Orlando Contreras had been working with the U.S. Drug Enforcement Administration since 2019 to investigate corruption in the South American nation.

As part of that assistance, prosecutors said, he made several dangerous trips to Venezuela to gather evidence against businessman Alex Saab and former Gov. Jose Vielma.

Saab and Vielma had both been targeted by a secret spying program exposed by The Associated Press in which the DEA sent undercover informants into Venezuela to surreptitiously record and bring crimin