Prosecutors and their advocates say complete and absolute immunity from civil liability is critical to the performance of their jobs. They argue that self-regulation and professional sanctions from bar associations are sufficient to deter misconduct. Yet there's little evidence that bar associations are doing anything to police prosecutors, and numerous studies have shown that those who misbehave are rarely if ever professionally disciplined.
Read >> The Untouchables: America's Misbehaving Prosecutors, And The System That Protects Them @ http://www.huffingtonpost.com/2013/08/01/prosecutorial-misconduct-new-orleans-louisiana_n_3529891.html