A recommended read for anyone looking to find out more about the near-immunity that the corporate elite enjoy:
The Chickenshit Club: Why the Justice Department Fails to Prosecute Executives
The Chickenshit Club: Why the Justice Department Fails to Prosecute Executives
I'm not so sure it applies in this case as I don't really see the corp in question as being big (relatively speaking).
To your point, this is basically what the book covers. It is the logical conclusion of both fiduciary duty and the overwhelming effect that strong legal representation has on the justice system. At this extreme, the legal representation outright prevents prosecution instead of simply affecting the outcome.