The State Department did not say how he came to be released alongside a group of “wrongfully detained” prisoners.

The U.S. State Department is not commenting on why Dahud Hanid Ortiz a man convicted of murdering three people in Madrid was among the 10 U.S. citizens released by Venezuela last week as part of a prisoner exchange.

Venezuelan migrants imprisoned for months in El Salvador under a U.S. immigration crackdown have reunited with their families.