More... with a transition from "may" disclose to "shall" disclose that defines situations where a lawyer is required to violate confidence.
(e) When a lawyer has confidential information clearly establishing that a client is likely to commit a criminal or fraudulent act that is likely to result in death or substantial bodily harm to a person, the lawyer shall reveal confidential information to the extent revelation reasonably appears necessary to prevent the client from committing the criminal or fraudulent act.
(f) A lawyer shall reveal confidential information when required to do so by Rule 3.03(a)(2), 3.03(b), or by Rule 4.01(b).
So... we need to look at a few more rules:
Rule 3.03 Candor Toward the Tribunal
(a) A lawyer shall not knowingly:
(2) fail to disclose a fact to a tribunal when disclosure is necessary to avoid assisting a criminal or fraudulent act;
(b) If a lawyer has offered material evidence and comes to know of its falsity, the lawyer shall make a good faith effort to persuade the client to authorize the lawyer to correct or withdraw the false evidence. If such efforts are unsuccessful, the lawyer shall take reasonable remedial measures, including disclosure of the true facts.
Rule 4.01 Truthfulness in Statements to Others
In the course of representing a client a lawyer shall not knowingly:
(a) make a false statement of material fact or law to a third person; or
(b) fail to disclose a material fact to a third person when disclosure is necessary to avoid making the lawyer a party to a criminal act or knowingly assisting a fraudulent act perpetrated by a client.
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