the braus zoes river is expected to crest tomorrow at a record height of 53 1/2 feet.banks of the river rescued their pets and belongings and cleared out of the flood zone today. more rain is forecast for the area later this week. now back to "isis and the internet." >>> isis videos are effective for more than recruiting. some are also used as a tactical weapon of warfare, to instill fear. for that reason, these are among the most disturbing of the videos. again, we will not show the most graphic portions, produced by terrorists for their shock value. but it's all part of a strategy that military scholars call psychological preparation of the battlefield. >> more cities have been taken in history through information warfare, where they open their gates to the conqueror, than were actually conquered through military combat. >> essentially, you try to scare your enemy before you ever go in and fire the first shot. >> isis uses this footage as an actual weapon. a tool to beat down enemies. like the story of the video that conquered a city. may 2014, mosul. iraq's second-l