The investigative reports are starting to be released.  Excellent coverage of the incident from beginning to present can be found at The Charleston Post and Courier. 

Coverage includes pictures, videos, audio, and written stories which are very instructive. 

For your convenience, I will post the first 1-1/2 hours of fire radio traffic here.

FIREFIGHTER FATALITY INVESTIGATIVE REPORT Released May 15th, 2008 Includes transcript of the radio communications. 

NIOSH Draft report which was released May 8th, 2008.

Our hearts and prayers go out to the families of the brothers who were lost that day.