mall so we need to see what this is. >> again, that's what viewers at home saw as everyone was trying to determine what was happening, who was in danger, and, you know, what they needed to do, including that long pause that came after the newscasters left the scene. i want to bring in cnn's law enforcement analyst and former fbi supervisory special agent josh campbell, and cheryl dorsey is back with us, a retired police sergeant. josh, we're still waiting for more information from the officers at the scene. >> yes, we're waiting for any indication from law enforcement that there may have been a second shooter. oftentimes you will have someone say they saw more than one person with a weapon, which is a