people, killing a corrections officer. police will not say if person in custody is a suspect. jenna: well, a new warning that china's military is targeting america and that we're just grossly underprepared for what's to come. congress is taking up this issue of cyber warfare today, an advisory panel is warning the attacks could target our power grid, our telecommunications, our military command centers, and the panel says china is preparing for this each and every day. and while we know it's coming, we don't have a standard policy on what we do when it does. peter brooks is a senior fellow for national security affairs at the heritage foundation and, peter, we mentioned a few things there; telecommunications, military command. if we have a cyber attack and it effects a hospital or if it effects busy streets, we're talking about a loss of life. how serious could this potentially be? >> well, jenna, we actually know that the russians and chinese