do you know of anything like that? >> no. >> reporter: why do you think the loss of life was so dramatic, so quick? you get here and you find them. what's going on? >> there was heavy fire, and what would be for them the kitchen area, the front of the second floor. and then it was an open stairwell to the third floor. so the only thing that was slowing that fire down from moving was nothing slowing that fire down from moving. that fire was moving. >> reporter: it's feeding on contents. it's feeding on -- >> it's feeding on oxygen and fire. >> reporter: do you consider the space as a procedure to look at this or how do you label this right now? >> it's under investigation from the fire marshall's office right now. it's not necessarily considered suspicious, but we have our hands on deck because of the magnitude of this fire.