Investigative authorities are organizations or agencies responsible for examining and gathering information about potential criminal activities or violations of laws. They often include local police departments, federal agencies like the FBI, and specialized units that focus on specific types of crime, such as cybercrime or narcotics. These authorities use various methods to collect evidence, conduct interviews, and analyze data to build cases against suspects. Their work is crucial in maintaining public safety and ensuring that justice is served, often collaborating with other law enforcement and legal entities to achieve their goals.