The DC Fire and EMS service provided the DC Mayor a preliminary report on the incident, which has been released. Here:

http://mayor.dc.gov/sites/default/files/...ary-12-2015.pdf

Some of the members who are involved with Fire/EMS services may find it of interest. It is 37 pages and includes a time line, transcripts of 911 calls and e-mails related to the incident.

The problem with the radios had been identified a four days prior to the incident, but no corrective action had been taken.
_________________________
"Better is the enemy of good enough."