>> reporter: with the week's heightened rhetoric. >> i think more people will die before we're done. >> reporter: and the president's failure to condemn the hate groups. >> you had very bad people in the group. you also had people that were very fine people on both sides. >> reporter: law enforcement is concerned the violence could once again pop up in their cities. >> i just think the rtoric has really brought us to a different level. that is what we're worried about. i have never seen so many people looking for confrontation. we have to knock it down. >> reporter: the evidence is online. the data from flashpoint has been reviewing secure chat rooms and there is an influx of new posters. one cites storm front posted tuesday. just want to say a long time lurker,