Public Safety Incidents Radicalization New Orleans Incident Public Spaces New Orleans New Year's Attacks Investigation New Orleans Attack Preventive Measures Explosions Las Vegas Incident Explosives Islamic State Extremist Tactics ISIS Motivations Car-Sharing Security Ramming Attacks Peer-to-Peer Rentals Public Safety Risks Victims Tel Aviv Rochester Attack Manhattan Bike Path Attack Rochester Incident U-Haul Truck Public Attacks