Underground Stays News Today

>> he didnt want to do it, he knew the danger. but when somebody above you is telling you what to do, youre going to do what they say. >> reporter: the mine operator, massey energy, says it was an isolated incident, but tells nbc news, "the methane monitor was bypassed in order to move the miner, the machine, from the area that did not have roof support to a safer area for repair." not so, says campbell. >> we kept using it. >> reporter: you kept cutting coal? >> yes, sir. >> reporter: without t...