Which of the following best describes an investigative agency?

An investigative agency is best described as a governmental unit focused on public welfare and safety. This definition highlights the primary function of such agencies, which is to gather and analyze information relating to criminal activities, regulatory compliance, or public safety issues. Investigative agencies typically operate under the authority of government bodies, ensuring that their activities align with legal standards and serve to protect the public.

In contrast, while law enforcement bodies may fall under the broader spectrum of investigative agencies, not all law enforcement agencies are solely focused on investigative work. Additionally, a hospital emergency department is a healthcare facility concerned primarily with providing emergency medical care, which does not align with the definition of an investigative agency. Private investigative services are typically entities that operate outside of governmental control, focusing on more private or civil matters rather than public welfare and safety. Therefore, the governmental emphasis on public welfare and safety characterizes the role and function of an investigative agency accurately.