The detectives who tend to earn the highest salaries are typically federal agents, such as those working for the Federal Bureau of Investigation (FBI), Drug Enforcement Administration (DEA), or other federal agencies. These professionals often handle complex, high-stakes cases involving national security, organized crime, or large-scale criminal enterprises. Their roles require advanced training, specialized skills, and often involve significant risk, which is reflected in their compensation. Additionally, federal agencies generally offer higher salaries, better benefits, and more opportunities for advancement compared to local or state detective positions. As a result, federal detectives and agents are among the top earners in the law enforcement field, making them the most financially rewarding type of detectives.