In this Aug. 2, 2006, file photo, Raul Hector Castro, former governor of Arizona and former U.S. ambassador to El Salvador and Argentina, talks during a news conference in Bisbee, Ariz. Castro, Arizona's only Hispanic governor, died Friday, April 10, 2015. He was 98.

Sierra Vista Herald, Ed Honda / AP

In this Aug. 2, 2006, file photo, Raul Hector Castro, former governor of Arizona and former U.S. ambassador to El Salvador and Argentina, talks during a news conference in Bisbee, Ariz. Castro, Arizona's only Hispanic governor, died Friday, April 10, 2015. He was 98.