For so many police executives, being confronted with the scourge of gun violence within their jurisdictions while being expected to address such crime it may seem like they are facing an unsolvable issue. Yet, throughout the nation there are law enforcement programs available for review and evaluation that are worth replicating. These programs combine local capabilities with programs to address and suppress gun violence. They leverage local information and criminal intelligence, the ATF’s NIBIN and eTrace programs, and information-sharing collaborations and capabilities. A review of these successful programs often identifies five key principles that underpin their success….