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Update February 13: The Post and Courier has followed up with more of the inside story.

The paper details extensive efforts to affix blame, and how investigators just felt they couldn't build a solid enough criminal case, especially when there was so much blame to spread around; read the paper's report here.

Update February 4, p.m.: The report is out and 9th Circuit Solicitor Scarlett Wilson is not moving to press criminal charges.

In a release Wilson stated in a release, "After conducting their own interviews and reviewing all the documentation gathered and generated by the Charleston Police Department and other agencies, SLED has determined that the issues raised do not warrant a criminal investigation. It is my understanding that the Charleston Police Department concurs with SLED’s findings and that no warrants will be sought by either agency for General Sessions prosecution."

The Post and Courier has a report for some added detail.

First reporting: The U.S. Commerce Department's National Institute of Standards and Technology released today their 700-page report on an extensive study into the fire that killed nine Charleston firefighters during the 2007 Sofa Super Store tragedy.

The report details failures in training and equipment in use by the Charleston Fire Department as well as numerous code violations in a building that housed highly flammable furniture. The study goes on to claim that the major contributing factor to the death of the nine firefighters was when fellow firefighters fed ample amounts of oxygen to the fire by breaking out the store's windows, and a lack of sprinklers which would have likely contained the fire.

Both The Post and Courier and Live 5 News have articles on the federal report, or you can go directly to the National Institute of Standards and Technology's report by clicking here. We inserted a couple of the key graphics showing heat and oxygen levels at key points at a level of five feet, note the 7:33 p.m. "mayday" moment on them.

• You can read more articles pertaining to the Sofa Super Store tragedy on our topic page.