Rule 1.6 is frequently the subject of law review articles. Usually those articles are also addressing the problems with the Rule which cause it to undermine morality, ethics, personal integrity . . . AND TO UNDERMINE JUSTICE. Search for those keywords in your favorite search engine. You may be surprised at the volume of material that turns up. The step that seems to be missing from any article is the unconstitutional aspect and the inescapable situation it causes for the victims of judicial corruption and injustice.