the known danger zone to get out. >> we actually went door to door telling everybody that, you know, the flood was coming, that they needed to move out of their homes. >> after warning the neighborhood, battalion chief andre ojeda begins taping a stretch of houses most at risk. >> let's pick up a little bit. it's getting close to the edge. hey, don't get too close to the back. >> there's nothing more he and his colleagues can do but watch and wait. >> when that moment arrived, it was kind of sad because people were losing their homes. >> it turns out he's not the only person videotaping the devastation. >> where are you from? >> from "the las vegas review journal." >> justin yorcannon, a videographer for "the las vegas review journal" was also on the scene. >> you could see this house hanging on its edge of the