Mine Explosion Investigation

FILE - In this May 20, 2010 photo, Massey Energy Company Chief Executive Officer Don Blankenship pauses as he testifies on Capitol Hill in Washington. The former CEO who oversaw the West Virginia mine that exploded in 2010, killing 29 people, has been indicted on federal charges related to a mine safety investigation. U.S. Attorney Booth Goodwin said a federal grand jury indicted Blankenship on Thursday, Nov. 13, 2014. (AP Photo/Carolyn Kaster, File)