Police units are specialized groups within a police department that focus on specific types of crime or community needs. Examples include K-9 units, which use trained dogs to assist in searches, and SWAT teams, which handle high-risk situations like hostage rescues. Each unit is equipped with unique skills and tools to effectively address their designated challenges. These units work together to enhance public safety and improve community relations. By focusing on particular issues, such as traffic enforcement or narcotics investigations, police units can develop expertise and strategies that lead to more effective law enforcement and crime prevention efforts.