California man formerly detained by Venezuela says wife freed from custody in her native country Renzo Humanchumo Castillo said his Venezuelan wife was accused of treason after authorities said he was part of a plot to kill Nicolas Maduro. NEW You can now listen to Fox News articles! The wife of a once-detained American citizen was released this week after being held for more than a year in a Venezuelan prison following their arrest while traveling to the South American nation to meet her