progress ed? reporter: they have not. they have suspended the search for those 12 people believed to have been swept away. you can see this area we re at right now was completely under water water. we would have been submerged by water here. you can see the blanco river there though it s dropped dramatically it is still a quick moving river which is what many officials and emergency officials around central texas are wore kr yid about tonight. oh, my god! stop, stop, stop. he needs to get out. reporter: one person was killed and nearly 400 homes washed away. the floodwaters cut a winding, destructive path through san marcos texas. 12 people are believed to be missing part of a family gathering for memorial day weekend at a river house. search and rescue teams are pushing through the debris along the river banks looking for the families which include small children. never it we in our wildest imagination think about the wall of water that would come down