>> is the devastation, of course, is overwhelming. >> reporter: officials call the search mission in washington devastating. >> there was no sign of life. the only thing i can report is we found one deceased victim. >> reporter: the site of this hill came crashing town on the small town of oso saturday morning burying seat road 530. these before and after photos of the area captured the incredible scope of the devastation. >> oh, my gosh. >> reporter: this cell phone video was shot from the ground right after the hillside swollen by recent heavy rains gave way, covering an area of land about a skbar mile wide. >> it slid a couple of times in my life but never nothing like this. >> total devastation. this is unbelievable. >> reporter: officials say the