Don Blankenship faces four federal charges , including conspiracy and making false statements . The company kept two sets of books to mislead miners and inspectors , tipped off crews before surprise inspections and intimidated workers to prevent them from reporting violations , the report found . He oversaw the West Virginia mine that exploded in 2010 , killing 29 workers . Score: 7 The Upper Big Branch explosion was one of the worst U.S. mine disasters in decades .
Don Blankenship faces four federal charges , including conspiracy and making false statements . He oversaw the West Virginia mine that exploded in 2010 , killing 29 workers . Score: 7 The Upper Big Branch explosion was one of the worst U.S. mine disasters in decades .