FILE - In a Tuesday, Nov. 24, 2015, file photo, former Massey Energy CEO Don Blankenship, left, walks out of the Robert C. Byrd U.S. Courthouse after the jury deliberated for a fifth full day in his trial, in Charleston, W. Va. Blankenship is finishing up his one-year federal prison sentence related to the deadliest U.S. mine explosion in four decades. According to the U.S. Bureau of Prisons website, Blankenship is set to be released Wednesday, May 10, 2017, from a halfway house in Phoenix. He must serve one year of supervised release. (AP Photo/Chris Tilley, File)