Haven't the CIA (and DEA to some extent) always been operating in J. Edgar Hoover style crooked, hypocritical, mobster mode, under the belief that laws are for

Haven't the CIA (and DEA to some extent) always been operating in J. Edgar Hoover style crooked, hypocritical, mobster mode, under the belief that laws are for everyone else but them? They seem to follow long-term agendas with zero consideration for material, human, and societal losses.