The men recently had their sentences commuted to life imprisonment for their role in an attempted coup last May in the central African nation.

The U.S. Department of Justice has charged four Americans for their role in an attempted coup in the Democratic Republic of Congo after three of the men were returned to U.S. custody this week, according to a criminal complaint unsealed on Wednesday.

The Democratic Republic of Congo's president commuted the death sentences of three Americans who were convicted last year on charges of participating in a coup attempt.

Three American citizens jailed over a failed coup attempt in Democratic Republic of Congo were handed over to U.S. custody on Tuesday, officials said, following high-level talks between the two countries on security and mining deals,

A criminal complaint unsealed by prosecutors Wednesday follows a long-running FBI investigation and accuses the men of conspiring to provide weapons, explosives and other support to a rebel army that was formed to try to overthrow the government.

Three U.S. citizens, including 2 Utahns, jailed over a failed coup attempt in the Democratic Republic of Congo are now in U.S. custody.

Details of the repatriation are not known but it comes amid talks about a mineral deal between the two countries.

Three Americans repatriated to the United States from Congo were charged Wednesday by the U.S. Justice Department with staging an elaborate coup attempt aimed at overthrowing the African nation’s government.