Officials from the Bureau of Alcohol, Tobacco and Firearms (ATF) are expected to present more concrete facts about the case later today. While no suspects have yet been named — to tide you over, some of the staff have offered up a list of "suspects" in the poll to the right — a 'person of interest' was reportedly caught on video. According to KXAN, the state fire marshal is still deciding whether or not to show this footage to the press. Further hindering the investigation is the fact that several cameras were 'not operational' during the fire. ...