29 miners were killed in an explosion last week . Davitt McAteer named by West Virginia governor to lead investigation . Massey subsidiary Aracoma Coal pleaded guilty to 10 criminal charges and paid a record $ 4.2 million in fines and civil penalties in connection with the January 2006 fire that McAteer investigated . Comment:
29 miners were killed in an explosion last week . Davitt McAteer named by West Virginia governor to lead investigation . Comment: