Conservative activist Charlie Kirk was shot and killed on Wednesday while speaking an event at Utah Valley University. Authorities have not identified a suspect.
CBS News' Ed O'Keefe reports on the killing of Charlie Kirk and the growing wave of political violence in America, as experts warn of a dangerous new era.
Australia said Wednesday it will deploy a $1.1 billion fleet of "Ghost Shark" underwater attack drones to bolster its firepower in a threatening regional landscape.
