A U.S. Army soldier based at Fort Wainwright, Alaska, will spend more than three decades in federal prison after admitting he produced child sexual abuse material, amassed thousands of explicit files and assaulted a young victim, federal prosecutors announced Friday . David Andres Mayoral, 21, received the 32-year prison term at a federal courthouse in Fairbanks, according to a statement from the U.S. Attorney's Office for the District of Alaska. He will remain on supervised release for the