Massey Mine Disaster Families May be ‘Victim of a Federal Crime’Massey Energy’s Upper Big Branch mining disaster last year that led to the death of 19 miners is still being investigated by the FBI. SavePrintGenevieve Belmaker4/24/2011|Updated: 10/1/2015 We had a problem loading this article. Please enable javascript or use a different browser. If the issue persists, please visit our help center.