One of the 10 Americans released from Venezuela in a prisoner swap last week was convicted of killing three people in Spain and was serving a 30-year sentence in a Venezuelan prison before his release, Spanish and Venezuelan officials told ABC News.

Dahud Hanid Ortiz, a former U.S. Marine convicted of a triple homicide in Spain, was among 10 Americans repatriated in exchange for 250 Venezuelans held in El Salvador.

The case of Dahud Hanid Ortíz, a U.S.-Venezuelan citizen brought home in Trump’s prisoner swap, has upset U.S. allies and sown division in the State Department.