Testing Surfaces News Today

top of a new hour on cnn newsroom. good to have you. im victor blackwell. five former memphis police officers charged in the fatal beating of tyre nichols pleaded not guilty in their first court appearance. all five were arraigned together. they did not speak. some wore masks. the men faced charges of second degree murder, assault, kidnapping, and misconduct. during todays arraignment, the judge stressed the need for patience. >> be patient, work with your attorneys, cooperate with the...

And if it does get better, should we still be doing frequent air and water testing or anything that would give us an answer that its getting better? and should we be testing -- >> go ahead and finish your question. >> should we be testing surfaces, as well? im not sure if they attach to surfaces or if a special cleaner would have to be presented. >> right, right. so there is a couple of levels of question there, so you mentioned that the chemical could still be in town. i say that there are prob...