they say responsible for this early-morning chaos. thomas? >> richard, investigators are asking people that may have seen something to call in or report back, because there were so many people there, frightened people that ran off. they might have better information about the suspect or suspects, correct? >> reporter: absolutely the case. of course, you consider it's a dark nightclub, it's packed at the time. there are two areas where the shots went off. officers, again, depending, of course, on people getting in contact through social media, contacting local police departments. again, we saw about 15 people transported with local ems, but many transporting themselves in their private vehicles, rushing to those cars when shots go off. it's a frantic scen they want to make suret they're getting to their friends or whomever they came to the nightclub with, arriving at the hospitals. that's going to be key for investigators and officers at this point, talking to those individual witnesses when the shots rang out. >> cincinnati's wlwt richard