now there are newer questions that since ron jon son has come into temper the situation, seemed to have flared up. residents, emotions there are on edge, whether the police or residents. >> absolutely. and yes, as we heard from our guest, the inconsistency as he put it of the police reaction might be continuing to fuel the volatility on the street. >> exactly. >> one night they're standing back, and tonight it looks like kind of a war zone. >> a lot have described it that way. >> many families out protesting as you reported went to mcdonald's and had milk to flush out the tear gas from their eyes. we want to go to our correspondents that are there. first up this hour, our correspondent, ed lavandera, waiting for the news conference. hopefully they will have answers and comments to help diffuse the terrible feelings on the streets with shootings and the tough response by the police forces. >> reporter: hi n, we are told e press conference will be starting in 10 or 15 minutes. we are at the command point for the different law enforcement agencies working the scene in the town of ferguson.

ron jon urged people to march during the day. >>> opening statements in the trial of a texas man accused of shooting an alleged drunk driver to death. he saw the driver hit and kill his two sonsof his life in prison. as anna werner reports the case is dividing the small town. >> reporter: david's family insists the grieving is not a murderer. >> already losing half of your life and accusing a man of what they're only speculating is not right. >> reporter: in december 2012 he and his sons were driving down a dark road when their truck ran out of gas. the two boys got out to push. they. tests later showed that banda had a blood alcohol that was twice the limit. david jr. died at the scene, caleb passed away at the hospital. >> i have to keep hope and faith, pray for that day that i will see them again. >> reporter: prosecutors allege+w nw aftercrash, barajas went into his house, retri that killed banda were found in the barajas home. but no murder weapon was ever found. barajas's lawyer said he was optimistic about his client's chances. >> i look forward to presenting this case in front of a jury. >> reporter: supporters point out that he doesn't own a gun nor that gunshot resi