Who was responsible for founding the FBI and establishing policing principles?

• A. Raymond Kelly
• B. Jay Edgar Hoover
• C. John Edgar Hoover
• D. Richard Nixon

Answer: (B)

The individual responsible for founding the Federal Bureau of Investigation (FBI) and establishing key principles of policing was J. Edgar Hoover. Hoover was appointed the first director of the FBI in 1935 and played a significant role in shaping the agency's structure and its operational principles. His tenure included the professionalization of criminal investigation and the introduction of scientific methods in the field, such as forensic science and criminal profiling. Hoover's legacy is marked by the implementation of standardized procedures and the development of a national database for criminal records, which fundamentally transformed law enforcement in the United States.

Other choices, while notable in their own right, do not relate directly to the founding of the FBI or its foundational policing principles.