What made Hoover a controversial FBI director?

Question

Quizplus · Accepted Answer

Hoover's tenure as FBI director was controversial due to allegations of his engaging in illegal activities, such as warrantless wiretapping, illegal surveillance of political groups, and targeting of civil rights activists. He was also accused of unfair treatment of individuals and instituting policies that violated civil liberties. However, it should be noted that Hoover also brought about many improvements and innovations to the FBI, such as modern forensic techniques and the identification system for criminals.

What Made Hoover a Controversial FBI Director