live. as we wait, let's talk to cnn law enforcement analyst, james gagliano and cnn's gary tuchman is there in dayton. gary, i want to start with you. it's been a little over a week since that shooter murdered those nine people. do we have any idea what to expect? what may be coming out of this news conference today? >> brooke, here's what we know. the mayor's office here in dayton and the city's police department say they have additional information about the killings nine days ago that they want to share with us. so they will be holding a news conference in this room in the dayton city hall any second now. we don't know precisely what it's about. it's important to point out that the shooter is dead. but yesterday, there was some big news. a friend of the shooter, his name is ethan cauley, 24 years old, arrested on federal firearms charges. he's accused of providing a hundred-round magazine to the killer. he's accused of providing body armor to the killer and also accused of assembling the ar-15-style rifle that the killer used. this man is in jail right now. he has a detention hearing