Most people, regardless of salary, already bear the risk of jail for intentionally committing fraud and rights violations. Government employees are the only ones consistently exempt from this.

What FBI did was not a mistake and people of the level that had made those criminal decisions are definitely paid enough.

My neighbor is a sergeant in a small city's police force. Roughly 300K folks in our burg. He pulls in an average of $140K/year due mostly to overtime. Cry me a river about our poor overworked police who face deathly threats on a daily basis.